Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D328072 | Base for a telephone set or similar article | Ian D. Buchanan | 1992-07-21 |
| 5001743 | Method and apparatus for controlling a telephone answering device | — | 1991-03-19 |
| 4947424 | Shutter mechanism for telephone directory | Gad Shaanan, Ian D. Buchanan, Anthony Mark Smith | 1990-08-07 |
| 4517739 | Method for making circuit boards with die stamped contact pads and conductive ink circuit patterns | Eugene W. Charchanko, Andrejs Dambenieks | 1985-05-21 |
| 4243846 | Pushbutton switch assembly for telecommunications and other input apparatus | Roger Perks, Phillip J. Dudley | 1981-01-06 |
| 4232203 | Integral telephone set and handset | — | 1980-11-04 |