Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9056237 | Sports event advertising display system | Joseph J. Berghammer | 2015-06-16 |
| 8968122 | Sports event advertising display system | Joseph Michael DeMarco, Joseph J. Berghammer | 2015-03-03 |
| 8430771 | Sports event advertising display system | Joseph J. Berghammer | 2013-04-30 |
| 8366570 | Sports event advertising display system | Joseph Michael DeMarco, Joseph J. Berghammer | 2013-02-05 |