Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300129 | Silent wearable signalling device with tactile means to prevent false triggering | — | 1981-11-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4300129 | Silent wearable signalling device with tactile means to prevent false triggering | — | 1981-11-10 |