Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436957 | Telephone security system for cordless telephony | Frank Mazza | 1984-03-13 |
| 4243845 | Repertory telephone dialing apparatus | Martin Feinberg, Ting-Wah Wong | 1981-01-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436957 | Telephone security system for cordless telephony | Frank Mazza | 1984-03-13 |
| 4243845 | Repertory telephone dialing apparatus | Martin Feinberg, Ting-Wah Wong | 1981-01-06 |