Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6041116 | Method and apparatus for controlling outbound calls | — | 2000-03-21 |
| 5533219 | Stadium seat cushion | — | 1996-07-09 |
| 5214692 | Bypass for telephone switching system | Michael A. Chack | 1993-05-25 |
| 4972452 | Digital bypass for telephone system | Michael A. Chack | 1990-11-20 |
| 4485467 | Digital information switch matrix with on-line/off-line diagnostic features | Larry L. Miles | 1984-11-27 |
| 4442502 | Digital information switching system | George E. Friend, Steve Van Dyke, James R. Carreker | 1984-04-10 |
| 4234942 | Apparatus for measuring the length of pipe and other hollow members | Benjamin G. Prause | 1980-11-18 |