Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D538962 | Swarf lamp | — | 2007-03-20 |
| 6101847 | Method of firing a glass melting furnace with oxygen | Donald E. Shamp, Thomas F. Stark, Larry Edward Howard | 2000-08-15 |
| 5659564 | Method and apparatus for maintaining a furnace stack | — | 1997-08-19 |
| 5417732 | Oxygen fired glass furnace with burners in the upstream end | Donald E. Shamp, Thomas F. Stark, Larry Edward Howard | 1995-05-23 |