Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4272274 | Slotted glass sheet shaping mold | Robert G. Frank, Richard V. Posney | 1981-06-09 |
| 4197108 | Slotted glass sheet shaping mold | Robert G. Frank, Richard V. Posney | 1980-04-08 |