Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D880436 | Heat sink for a control module | Evan Soda | 2020-04-07 |
| 4830430 | Split-back chair, particularly office chair | — | 1989-05-16 |
| 4548194 | Fuel stoker and furnace | Tony L. Schafer, Gregory L. Schafer, H. Darwin Swett | 1985-10-22 |
| 4454860 | Fuel stoker and furnace | Tony L. Schafer, Gregory L. Schafer, H. Darwin Swett | 1984-06-19 |
| 4430948 | Fuel stoker and furnace | Tony L. Schafer, Gregory L. Schafer, H. Darwin Swett | 1984-02-14 |