Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6980092 | Vehicle rearview mirror assembly incorporating a communication system | Robert R. Turnbull, Robert C. Knapp, Eric J. Walstra, G. Bruce Poe, John K. Roberts +1 more | 2005-12-27 |
| 6882734 | Vehicle accessory microphone | Michael A. Bryson, William R. Spence | 2005-04-19 |
| 6700692 | Electrochromic rearview mirror assembly incorporating a display/signal light | William L. Tonar, Jeffrey A. Forgette, John S. Anderson, David J. Cammenga, Robert R. Turnbull +2 more | 2004-03-02 |
| 6614911 | Microphone assembly having a windscreen of high acoustic resistivity and/or hydrophobic material | Robert C. Knapp, Robert R. Turnbull, William R. Spence, G. Bruce Poe, Michael A. Bryson | 2003-09-02 |
| D450281 | Mirror | Kenton J. Ypma, Wayne J. Rumsey, Michael A. Bryson, John W. Carter | 2001-11-13 |
| 5397103 | Tank lifting methods | — | 1995-03-14 |
| 5232202 | Tank lifting methods | — | 1993-08-03 |
| 4685137 | Microphone with non-symmetrical directivity pattern | Michael A. Bryson | 1987-08-04 |
| 4567608 | Microphone for use on location | John P. Overley | 1986-01-28 |
| D282063 | Microphone | — | 1986-01-07 |
| D277852 | Microphone | — | 1985-03-05 |
| 4401859 | Directional microphone with high frequency selective acoustic lens | — | 1983-08-30 |
| 4258235 | Pressure gradient electret microphone | — | 1981-03-24 |