Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4487316 | Elevator holder for perm rods | Bill L. Calhoun | 1984-12-11 |
| 4435084 | Automatic stirrer for cup | Bill L. Calhoun | 1984-03-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4487316 | Elevator holder for perm rods | Bill L. Calhoun | 1984-12-11 |
| 4435084 | Automatic stirrer for cup | Bill L. Calhoun | 1984-03-06 |