Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885842 | Guard and guide for corn cutters | — | 1989-12-12 |
| 4872240 | Steel knot for ropes | Raphael F. Spinner, Mary Brown, Cathy Grant | 1989-10-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885842 | Guard and guide for corn cutters | — | 1989-12-12 |
| 4872240 | Steel knot for ropes | Raphael F. Spinner, Mary Brown, Cathy Grant | 1989-10-10 |