Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6064666 | Cross service common user image association | Barry E. Willner, Marc A. Block, Stephen Brady, Davis Foulger, Alan G. Ganek +5 more | 2000-05-16 |
| D269664 | Electronic marker for buried utilities | — | 1983-07-12 |
| 4334227 | Electronic marker device and method of making same | — | 1982-06-08 |