Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6351535 | Variable angle mechanism for desktop telephone | Michael George Langlois, Chris Gorman, Hans Beisner | 2002-02-26 |
| D448746 | Telephone attendant console | Chris Gorman, Michael S. McGuire | 2001-10-02 |
| D423497 | Telephone set | — | 2000-04-25 |
| D421264 | Telephone set | — | 2000-02-29 |
| D393645 | Telephone handset | Michael George Langlois | 1998-04-21 |
| 5677830 | Modular, stacking, expandable electronic enclosure system | Willi Lotz, Michael G. Emler | 1997-10-14 |
| D381319 | Modular, stacking, electronic enclosure system | — | 1997-07-22 |
| D373758 | Combined connection cabinet and printed circuit board housings | — | 1996-09-17 |
| D360628 | Equipment cabinet front panel | — | 1995-07-25 |
| D354487 | Telephone set | — | 1995-01-17 |
| D354042 | Housing for a plug-in printed circuit board | — | 1995-01-03 |
| D340052 | Telephone base | — | 1993-10-05 |
| D338890 | Telephone handset | John A. Mahan | 1993-08-31 |
| D338462 | Telephone base | — | 1993-08-17 |
| D300925 | Telephone set with display | — | 1989-05-02 |
| D293439 | Telephone set | — | 1987-12-29 |
| D286876 | Telephone | John A. Mahan | 1986-11-25 |