Hofer; Alan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hofer; Alan.The latest application filed is for "vented headset speaker".
- Hofer; Alan - Wantagh NY
- Hofer; Alan - Wantaugh NY
| Patent | Date |
|---|---|
| Vented headset speaker Grant 5,555,554 - Hofer , et al. September 10, 1 | 1996-09-10 |
| Transducer with ear canal pickup Grant 5,345,509 - Hofer , et al. September 6, 1 | 1994-09-06 |
| Microphone mounting for a person's neck Grant 5,163,093 - Frielingsdorf , et al. November 10, 1 | 1992-11-10 |
| Bone conduction microphone with mounting means Grant 5,054,079 - Frielingsdorf , et al. October 1, 1 | 1991-10-01 |
| Headset for underwater use Grant 4,949,806 - Hofer August 21, 1 | 1990-08-21 |
| Inertial microphone/receiver with extended frequency response Grant 4,843,628 - Hofer June 27, 1 | 1989-06-27 |
| Electronic stethoscope for monitoring the operation of a prosthetic valve implanted in a patient's heart Grant 4,498,188 - Hofer February 5, 1 | 1985-02-05 |
| Miniature sounder with double tuned cavity Grant 4,413,253 - Hofer , et al. November 1, 1 | 1983-11-01 |
| Collapsible headset Grant D266,244 - Hofer , et al. September 21, 1 | 1982-09-21 |
| Miniature buzzer Grant 4,251,807 - Hofer , et al. February 17, 1 | 1981-02-17 |
| Inertial microphone system Grant 4,006,318 - Sebesta , et al. February 1, 1 | 1977-02-01 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 