Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887774 | Safety nut assembly for backstand apparatus | Dyle Harville, Mildred Lee, Danny Kirby, Kathleen Ellison, Mary J. Smithy +4 more | 1989-12-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887774 | Safety nut assembly for backstand apparatus | Dyle Harville, Mildred Lee, Danny Kirby, Kathleen Ellison, Mary J. Smithy +4 more | 1989-12-19 |