Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4740401 | Forming laminated glass containers from a composite encapsulated gob of molten glass | Frank J. DiFrank, Paul W. L. Graham, Harry N. Mills | 1988-04-26 |
| 4515614 | Electrically heated forehearth and method of controlling molten glass temperature therein | Philip D. Perry, Donald H. Poundstone, James E. Sherman | 1985-05-07 |
| 4511385 | Forehearth for molten glass and method of using same | Joseph J. Kujawa | 1985-04-16 |
| 4389725 | Electric boosting control for a glass forehearth | Philip D. Perry, Roland F. Pimm | 1983-06-21 |