Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4701849 | System for summoning service personnel and monitoring their response time | — | 1987-10-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4701849 | System for summoning service personnel and monitoring their response time | — | 1987-10-20 |