Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539034 | Melting of glass with staged submerged combustion | — | 1985-09-03 |
| 4399598 | Ceramic rolls with metal end caps | Joseph V. Page | 1983-08-23 |
| 4242782 | Ceramic conveyor rolls with metal end caps frictionally fixed thereto | William H. Marriott, Jr. | 1981-01-06 |