Sjursen; Walter P.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sjursen; Walter P..The latest application filed is for "hearing instrument".

Company Profile

0.25.18

Sjursen; Walter P. - Washington Crossing PA
Sjursen; Walter P. - West Windsor NJ
Sjursen; Walter P. - Bucks County PA
Sjursen, Walter P. - Washington Crossig PA

*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
Hearing aid Grant 8,121,326 - Sjursen , et al. February 21, 2	2012-02-21
Hearing aid Grant 8,121,327 - Sjursen , et al. February 21, 2	2012-02-21
Hearing aid Grant 8,121,320 - Sjursen , et al. February 21, 2	2012-02-21
Hearing Instrument App 20120014547 - Sjursen; Walter P. ; et al.	2012-01-19
Hearing aid part Grant D650,080 - Sjursen , et al. December 6, 2	2011-12-06
Hearing aid package Grant 7,987,977 - Leedom , et al. August 2, 2	2011-08-02
Wax Resistant Earpiece Tip App 20110103629 - Sjursen; Walter P. ; et al.	2011-05-05
Hearing aid circuit with integrated switch and battery Grant 7,756,284 - Sjursen , et al. July 13, 2	2010-07-13
Hearing aid with tuned microphone cavity Grant 7,756,285 - Sjursen , et al. July 13, 2	2010-07-13
Hearing aid App 20100119094 - Sjursen; Walter P. ; et al.	2010-05-13
Hearing aid App 20100098280 - Sjursen; Walter P. ; et al.	2010-04-22
Hearing aid part Grant D605,769 - Sjursen , et al. December 8, 2	2009-12-08
Hearing aid earpiece Grant D605,292 - Sjursen , et al. December 1, 2	2009-12-01
Hearing Aid App 20090180653 - Sjursen; Walter P. ; et al.	2009-07-16
Hearing aid Grant 7,536,023 - Leedom , et al. May 19, 2	2009-05-19
Disposable modular hearing aid Grant 7,403,629 - Aceti , et al. July 22, 2	2008-07-22
Hearing aid Grant D554,756 - Sjursen , et al. November 6, 2	2007-11-06
Hearing aid with tuned microphone cavity App 20070189563 - Sjursen; Walter P. ; et al.	2007-08-16
Hearing aid circuit with integrated switch and battery App 20070177749 - Sjursen; Walter P. ; et al.	2007-08-02
Hearing aid with large diaphragm microphone element including a printed circuit board App 20070121967 - Sjursen; Walter P. ; et al.	2007-05-31
Hearing aid with large diaphragm microphone element including a printed circuit board Grant 7,221,768 - Sjursen , et al. May 22, 2	2007-05-22
Disposable modular hearing aid App 20070071265 - Leedom; Marvin A. ; et al.	2007-03-29
Flexible hearing aid tip with an integral receiver App 20070009128 - Mahoney; Derek D. ; et al.	2007-01-11
Disposable modular hearing aid Grant 7,113,611 - Leedom , et al. September 26, 2	2006-09-26
One-size-fits-all uni-ear hearing instrument Grant 7,092,543 - Mahoney , et al. August 15, 2	2006-08-15
Hearing aid with large diaphragm microphone element including a printed circuit board App 20060177083 - Sjursen; Walter P. ; et al.	2006-08-10
Flexible hearing aid tip with an integral receiver Grant 7,082,206 - Mahoney , et al. July 25, 2	2006-07-25
Hearing aid Grant 7,010,137 - Leedom , et al. March 7, 2	2006-03-07
Hearing aid with large diaphragm microphone element including a printed circuit board Grant 7,003,127 - Sjursen , et al. February 21, 2	2006-02-21
Hearing aid App 20040240695 - Leedom, Marvin A. ; et al.	2004-12-02
Hearing aid App 20040081328 - Leedom, Marvin A. ; et al.	2004-04-29
Microphone assembly for hearing aid with JFET flip-chip buffer App 20020090102 - Madaffari, Peter ; et al.	2002-07-11
Microphone assembly for hearing aid with JFET flip-chip buffer Grant 6,366,678 - Madaffari , et al. April 2, 2	2002-04-02
Disposable modular hearing aid App 20020027996 - Leedom, Marvin A. ; et al.	2002-03-07
Remote programming and control means for a hearing aid App 20020015506 - Aceti, John G. ; et al.	2002-02-07
Flexible hearing aid tip with an integral receiver App 20020006209 - Mahoney, Derek D. ; et al.	2002-01-17
Hearing aid format selector App 20010033664 - Poux, Christopher J. ; et al.	2001-10-25
Hearing aid digital filter Grant 6,292,571 - Sjursen September 18, 2	2001-09-18
Battery and circuitry assembly Grant 6,058,198 - Aceti , et al. May 2, 2	2000-05-02
Apparatus for controlling an electrochromic device Grant 5,978,126 - Sjursen November 2, 1	1999-11-02
Method and apparatus for controlling an electrochromic device Grant 5,973,818 - Sjursen , et al. October 26, 1	1999-10-26
Method and apparatus for controlling an electrochromic device Grant 5,973,819 - Pletcher , et al. October 26, 1	1999-10-26
Disposable hearing aid Grant 5,881,159 - Aceti , et al. March 9, 1	1999-03-09

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