Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336631 | Handle assembly, top-load cartridge | James A. Duff | 1982-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336631 | Handle assembly, top-load cartridge | James A. Duff | 1982-06-29 |