Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691925 | Heater/defroster for an automobile | Ronald C. Roberts, Christopher Craft, Jeffrey J. Buschur, Richard S. Leemhuis | 2004-02-17 |
| 5048561 | Bidirectional check valve | Lael B. Taplin | 1991-09-17 |
| 4993921 | Power transmission | Lael B. Taplin | 1991-02-19 |
| 4611528 | Power transmission | Henry D. Taylor | 1986-09-16 |
| 4569272 | Power transmission | Henry D. Taylor | 1986-02-11 |
| 4418612 | Power transmission | — | 1983-12-06 |
| 4407122 | Power transmission | — | 1983-10-04 |
| 4187763 | Overload relief valve | — | 1980-02-12 |