Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4779090 | Electronic security system with two-way communication between lock and key | David A. Tenenbaum, Jeffrey Tenenbaum | 1988-10-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4779090 | Electronic security system with two-way communication between lock and key | David A. Tenenbaum, Jeffrey Tenenbaum | 1988-10-18 |