Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6080496 | Method for a coating cooking vessel | Charles J. Hupf, Daryl E. Crawmer | 2000-06-27 |
| 5670216 | Cooking untensil, intermediate layer for non-stick coating of a cooking untensil, and method | Albert Charley Oak, Daryl E. Crawmer | 1997-09-23 |