Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5567337 | Electric engine block heater with flanged screw | William Rose, Ronald H. Schaefer | 1996-10-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5567337 | Electric engine block heater with flanged screw | William Rose, Ronald H. Schaefer | 1996-10-22 |