Gutzmer; Howard A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gutzmer; Howard A..The latest application filed is for "telephone handset microphone level adjustment".
- Gutzmer; Howard A. - Bonita CA
| Patent | Date |
|---|---|
| Telephone handset microphone level adjustment Grant 5,555,300 - Gutzmer September 10, 1 | 1996-09-10 |
| Telephone handset interface for device having audio input Grant 5,455,859 - Gutzmer October 3, 1 | 1995-10-03 |
| Acoustic coupler for high-speed modem Grant 5,134,649 - Gutzmer July 28, 1 | 1992-07-28 |
| Modem interface unit Grant D312,627 - Gutzmer December 4, 1 | 1990-12-04 |
| Modem interface device Grant 4,907,267 - Gutzmer March 6, 1 | 1990-03-06 |
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