Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5926111 | Pulsed width modulated remote signalling and location identification system for summoning a service industry worker | Charles Frederick Lee Davis | 1999-07-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5926111 | Pulsed width modulated remote signalling and location identification system for summoning a service industry worker | Charles Frederick Lee Davis | 1999-07-20 |