Elwell, Jr.; John M.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Elwell, Jr.; John M..The latest application filed is for "systems and methods for clock correction".

Company Profile

0.12.4

Elwell, Jr.; John M. - Sudbury MA US

*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
Systems and methods for targeting a projectile payload Grant 8,563,910 - Elwell, Jr. October 22, 2	2013-10-22
Systems and methods for clock correction Grant 8,466,835 - Elwell, Jr. , et al. June 18, 2	2013-06-18
Systems And Methods For Clock Correction App 20120286995 - Elwell, JR.; John M. ; et al.	2012-11-15
Systems And Methods For Targeting A Projectile Payload App 20120256038 - Elwell, JR.; John M.	2012-10-11
Systems and methods for transparency mapping using multipath signals Grant 8,279,119 - Elwell, Jr. , et al. October 2, 2	2012-10-02
Systems and methods for transparency mapping using multipath signals Grant 7,973,716 - Elwell, Jr. , et al. July 5, 2	2011-07-05
Systems and methods for positioning using multipath signals Grant 7,679,561 - Elwell, Jr. , et al. March 16, 2	2010-03-16
Systems And Methods For Transparency Mapping Using Multipath Signals App 20090102711 - Elwell, JR.; John M. ; et al.	2009-04-23
Systems And Methods For Transparency Mapping Using Multipath Signals App 20090102707 - Elwell, JR.; John M. ; et al.	2009-04-23
Deeply-integrated adaptive GPS-based navigator with extended-range code tracking Grant 6,731,237 - Gustafson , et al. May 4, 2	2004-05-04
Geographical navigation using multipath wireless navigation signals Grant 6,693,592 - Dowdle , et al. February 17, 2	2004-02-17
Deeply-integrated adaptive INS/GPS navigator with extended-range code tracking Grant 6,630,904 - Gustafson , et al. October 7, 2	2003-10-07
Deeply-integrated adaptive GPS-based navigator with extended-range code tracking Grant 6,331,835 - Gustafson , et al. December 18, 2	2001-12-18
Optical reference gyro Grant 4,270,044 - Elwell, Jr. May 26, 1	1981-05-26

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