SPRAGUE; Robert

Patent Applications and Registrations

Patent applications and USPTO patent grants for SPRAGUE; Robert.The latest application filed is for "near infrared optical interference filters with improved transmission".

Company Profile

4.29.24

SPRAGUE; Robert - Acton MA
SPRAGUE; ROBERT - MAYFIELD HEIGHTS OH
Sprague; Robert - Westford MA
Sprague; Robert - Saratoga CA US
Sprague; Robert - Los Altos CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Near Infrared Optical Interference Filters With Improved Transmission App 20220299688 - SPRAGUE; Robert ; et al.	2022-09-22
Method Of Fabricating Anisotropic Optical Interference Filter App 20220275497 - SPRAGUE; Robert	2022-09-01
Near infrared optical interference filters with improved transmission Grant 11,372,144 - Sprague , et al. June 28, 2	2022-06-28
Method of fabricating anisotropic optical interference filter Grant 11,365,471 - Sprague June 21, 2	2022-06-21
Reflective Color Correction For Phosphor Illumination Systems App 20210191246 - SPRAGUE; ROBERT ; et al.	2021-06-24
Enhancement of output of optically pumped phosphor by use of surface nanostructures Grant 10,871,644 - Sprague , et al. December 22, 2	2020-12-22
Method Of Fabricating Anisotropic Optical Interference Filter App 20200116911 - Sprague; Robert	2020-04-16
Enhancement Of Output Of Optically Pumped Phosphor By Use Of Surface Nanostructures App 20190377173 - Sprague; Robert ; et al.	2019-12-12
Method of fabricating anisotropic optical interference filter Grant 10,502,880 - Sprague Dec	2019-12-10
Enhancement of output of optically pumped phosphor by use of surface nanostructures Grant 10,437,042 - Sprague , et al. O	2019-10-08
Near Infrared Optical Interference Filters With Improved Transmission App 20190212484 - Sprague; Robert ; et al.	2019-07-11
Near infrared optical interference filters with improved transmission Grant 9,989,684 - Sprague June 5, 2	2018-06-05
Automated defect detection and mapping for optical filters Grant 9,927,369 - Sprague March 27, 2	2018-03-27
Method Of Fabricating Anisotropic Optical Interference Filter App 20180052265 - Sprague; Robert	2018-02-22
Method of fabricating anisotropic optical interference filter Grant 9,804,310 - Sprague October 31, 2	2017-10-31
Enhancement Of Output Of Optically Pumped Phosphor By Use Of Surface Nanostructures App 20170235127 - Sprague; Robert ; et al.	2017-08-17
Automated Defect Detection And Mapping For Optical Filters App 20160356724 - Sprague; Robert	2016-12-08
Driving methods and waveforms for electrophoretic displays Grant 9,460,666 - Sprague , et al. October 4, 2	2016-10-04
Additive for improving optical performance of an electrophoretic display Grant 9,423,666 - Wang , et al. August 23, 2	2016-08-23
Near Infrared Optical Interference Filters With Improved Transmission App 20160238759 - Sprague; Robert ; et al.	2016-08-18
Method Of Fabricating Anisotropic Optical Interference Filter App 20160237547 - Sprague; Robert	2016-08-18
Near Infrared Optical Interference Filters With Improved Transmission App 20160216419 - Sprague; Robert	2016-07-28
Driving methods and circuit for bi-stable displays Grant 9,373,289 - Sprague , et al. June 21, 2	2016-06-21
Additive For Improving Optical Performance Of An Electrophoretic Display App 20150062690 - Wang; Ming ; et al.	2015-03-05
Additive for improving optical performance of an electrophoretic display Grant 8,902,491 - Wang , et al. December 2, 2	2014-12-02
Color electrophoretic display Grant 8,786,935 - Sprague July 22, 2	2014-07-22
Driving bistable displays Grant 8,730,153 - Sprague , et al. May 20, 2	2014-05-20
Color display devices Grant 8,649,084 - Wang , et al. February 11, 2	2014-02-11
Driving methods for bistable displays Grant 8,462,102 - Wong , et al. June 11, 2	2013-06-11
Additive For Improving Optical Performance Of An Electrophoretic Display App 20130077155 - Wang; Ming ; et al.	2013-03-28
Color Display Devices App 20130057942 - Wang; Xiaojia ; et al.	2013-03-07
Driving Methods And Circuit For Bi-stable Displays App 20120320017 - Sprague; Robert ; et al.	2012-12-20
Color Electrophoretic Display App 20120307346 - SPRAGUE; Robert	2012-12-06
Driving Bistable Displays App 20120274671 - Sprague; Robert ; et al.	2012-11-01
Driving methods for bistable displays Grant 8,274,472 - Wang , et al. September 25, 2	2012-09-25
Driving bistable displays Grant 8,243,013 - Sprague , et al. August 14, 2	2012-08-14
Driving Methods And Waveforms For Electrophoretic Displays App 20100283804 - Sprague; Robert ; et al.	2010-11-11
Driving Methods For Bistable Displays App 20090267970 - Wong; Jialock ; et al.	2009-10-29
Driving Methods And Circuit For Bi-stable Displays App 20080303780 - Sprague; Robert ; et al.	2008-12-11
Method for achieving high quality aqueous ink-jet printing on plain paper at high print speeds Grant 6,428,160 - Roy , et al. August 6, 2	2002-08-06
Method for achieving high quality aqueous ink-jet printing on plain paper at high print speeds App 20010000020 - Roy, Joy ; et al.	2001-03-15
Coded font keyboard apparatus Grant 4,795,349 - Sprague , et al. January 3, 1	1989-01-03
Method of teaching and transcribing of language through the use of a periodic code of language elements Grant 4,768,959 - Sprague , et al. September 6, 1	1988-09-06
Method of teaching and transcribing of language through the use of a periodic code of language elements Grant 4,650,423 - Sprague , et al. March 17, 1	1987-03-17

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