Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854404 | Bucket auger | David Weber | 1989-08-08 |
| 4800736 | Heat pump | — | 1989-01-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854404 | Bucket auger | David Weber | 1989-08-08 |
| 4800736 | Heat pump | — | 1989-01-31 |