Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4499973 | Transportation system | Elmer H. Sumka | 1985-02-19 |
| 4308936 | Elevator system | William R. Caputo | 1982-01-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4499973 | Transportation system | Elmer H. Sumka | 1985-02-19 |
| 4308936 | Elevator system | William R. Caputo | 1982-01-05 |