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Patent applications and USPTO patent grants for Sjursen; Walter Paul.The latest application filed is for "battery charging system".
Patent | Date |
---|---|
Non-occluding feedback-resistant hearing device Grant 10,805,739 - Sjursen October 13, 2 | 2020-10-13 |
Battery charging system Grant 10,644,532 - Sjursen | 2020-05-05 |
Battery Charging System App 20200106293 - Sjursen; Walter Paul | 2020-04-02 |
Non-occluding Feedback-resistant Hearing Device App 20190230448 - Sjursen; Walter Paul | 2019-07-25 |
Low distortion compression amplifier Grant 6,927,632 - Sjursen , et al. August 9, 2 | 2005-08-09 |
Low distortion compression amplifier App 20040000950 - Sjursen, Walter Paul ;   et al. | 2004-01-01 |
Disposable hearing aid with integral power source Grant 6,473,511 - Aceti , et al. October 29, 2 | 2002-10-29 |
Method of moving and detecting fluid in a microfluidic device Grant 6,444,173 - Sjursen , et al. September 3, 2 | 2002-09-03 |
Power source for a hearing aid Grant 6,410,997 - Sjursen , et al. June 25, 2 | 2002-06-25 |
Modular electroacoustic instrument Grant 6,389,143 - Leedom , et al. May 14, 2 | 2002-05-14 |
Disposable in-the-ear monitoring instrument and method of manufacture Grant 6,283,915 - Aceti , et al. September 4, 2 | 2001-09-04 |
Peritympanic hearing instrument Grant 6,205,227 - Mahoney , et al. March 20, 2 | 2001-03-20 |
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