Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168209 | Keyed cap for gas outlet valve | Robert L. Cope, III, Roger Davis, David D. Seem, James D. Gomez, Phillip B. Plyler +4 more | 2001-01-02 |
| 4801815 | Autostop mechanism for pendant assembly | Douglas S. Biette, Steven Clark, George Lewis | 1989-01-31 |