Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931678 | Double-insulated air-cooled electromotor for barrel pump | — | 1990-06-05 |
| 4909704 | Barrel pump | — | 1990-03-20 |
| 4668166 | Pump | — | 1987-05-26 |
| 4218068 | Deflectable holding assembly | John L. Shepard | 1980-08-19 |