Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822331 | Centrifuge | — | 1989-04-18 |
| 4799124 | Shock hazard protector for hair dryers | William E. Springer, Loretta D. Goeller, Daniel Santhouse | 1989-01-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822331 | Centrifuge | — | 1989-04-18 |
| 4799124 | Shock hazard protector for hair dryers | William E. Springer, Loretta D. Goeller, Daniel Santhouse | 1989-01-17 |