Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6031867 | Modem with firmware upgrade feature | Richard D. Johnson, David A. Weinzierl | 2000-02-29 |
| D419543 | Banking interface | Lucilla Warren, Nigel Pinnell, Michael Grandcolas | 2000-01-25 |
| 5809068 | PCMCIA modem | — | 1998-09-15 |
| 5644594 | Power-conserving modem | Richard D. Johnson, David A. Weinzierl | 1997-07-01 |
| D364377 | Peripheral connector | David A. Weinzierl | 1995-11-21 |
| D361764 | Combined telephone and modem case for a computer-based multifunction communications system | Dean Brandt | 1995-08-29 |
| D355658 | Modem apparatus | Dean Brandt, Thomas E. Heimerman | 1995-02-21 |
| D355653 | Combined telephone and modem case for a computer-based multifunction communications system | Dean Brandt | 1995-02-21 |
| 5379327 | Synchronous-to-asynchronous converter | Raghu Sharma | 1995-01-03 |
| D353598 | Desk top modem chassis | Dean Brandt, Thomas E. Heimerman | 1994-12-20 |
| D353144 | Case for a portable modem | Dean Brandt | 1994-12-06 |
| 5268934 | Asynchronous-to-synchronous converter | Raghu Sharma | 1993-12-07 |
| D341570 | Desk top computer housing | Dean Brandt | 1993-11-23 |