Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6049695 | Method and system for detecting unauthorized utilization of a cable television decoder | — | 2000-04-11 |
| 4457044 | Multiple flight elevator system | Garard C. Erdman, Leonard S. Cox, Richard B. Rosseau | 1984-07-03 |