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, Phillip B. Plyler, Max E. Raby +4 more | 2001-01-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168209 | Keyed cap for gas outlet valve | Robert L. Cope, III, Roger Davis, David D. Seem, Phillip B. Plyler, Max E. Raby +4 more | 2001-01-02 |