Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4740401 | Forming laminated glass containers from a composite encapsulated gob of molten glass | Marvin L. Barkhau, Frank J. DiFrank, Paul W. L. Graham | 1988-04-26 |
| 4312953 | Olive-green glass compositions | John F. Jasinski, JR. | 1982-01-26 |