Larsen; Leo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Larsen; Leo.The latest application filed is for "speakerphone hearing device integration".
- Larsen; Leo - Ballerup DK
- LARSEN; Leo - Kokkedal DK
| Patent | Date |
|---|---|
| Speakerphone Hearing Device Integration App 20220201408 - SKJOLDBORG; Erling ; et al. | 2022-06-23 |
| Headset with optical microphone signal transmission Grant 10,516,933 - Larsen , et al. Dec | 2019-12-24 |
| Headset With Optical Microphone Signal Transmission App 20180352317 - Larsen; Leo ; et al. | 2018-12-06 |
| Apparatus and method for receiving an audio signal Grant 9,894,472 - Larsen , et al. February 13, 2 | 2018-02-13 |
| Wireless headset system with two different radio protocols Grant 9,838,062 - Larsen December 5, 2 | 2017-12-05 |
| Apparatus and method for receiving an audio signal App 20170064594 - Larsen; Leo ; et al. | 2017-03-02 |
| Wireless headset system with two different radio protocols App 20160191093 - Larsen; Leo | 2016-06-30 |
| Car Speakerphone With Automatic Adjustment Of Microphone Directivity App 20150010186 - LARSEN; Leo | 2015-01-08 |
| Corded Audio Device With Wireless Data Exchange App 20130259257 - Larsen; Leo ; et al. | 2013-10-03 |
| Headset Grant 6,952,481 - Larsen , et al. October 4, 2 | 2005-10-04 |
| Headset interface Grant 6,718,034 - Larsen April 6, 2 | 2004-04-06 |
| Headset App 20020141571 - Larsen, Leo ; et al. | 2002-10-03 |
| Audio frequency signal compressing system Grant 5,303,308 - Larsen , et al. April 12, 1 | 1994-04-12 |
| Multipurpose headset amplifier Grant 5,058,155 - Larsen October 15, 1 | 1991-10-15 |
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