Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D937648 | Rotating tool attachment | — | 2021-12-07 |
| D871864 | Arm extension tool | — | 2020-01-07 |
| D530131 | Bottom rail for architectural covering | Ted Chatham | 2006-10-17 |
| 5065559 | Wall system and method of construction | Douglas R. Zegel, Gary S. Jensen, Mark R. Hernick | 1991-11-19 |
| 4976080 | Wall system and method of construction | Douglas R. Zegel, Gary S. Jensen, Mark R. Hernick | 1990-12-11 |
| 4421850 | Immobilization of enzymes | Digby M. Farmer | 1983-12-20 |
| 4342603 | Crystalline glucose and process for its production | — | 1982-08-03 |
| 4221704 | Extraction of thaumatin | John D. Higginbotham | 1980-09-09 |