Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7679102 | Carbon passivation in solid-state light emitters | George Chik, Thomas MacElwee, Iain D. Calder, E. Steven Hill, Peter Mascher | 2010-03-16 |
| 6525657 | Apparatus and method for production testing of the RF performance of wireless communications devices | — | 2003-02-25 |
| D289289 | Telephone headset hearing aid | Andrzej A. Przybysz, Peter R. Milton | 1987-04-14 |
| 4596899 | Telephone hearing aid | Andrzej A. Przybysz, Peter R. Milton | 1986-06-24 |
| 4453043 | Telephone for a physically handicapped person | Lech S. Zielinski, Conrad D. Lafrance | 1984-06-05 |