Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D258591 | Weight applying machine for installing a veneer floor surface | Roger C. Silver | 1981-03-17 |
| 4192626 | Machine for applying a uniform pressure | Roger C. Silver | 1980-03-11 |