Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886230 | Camera and other instrument support stand | L. Mark Marchus, Loren S. Hardy | 1989-12-12 |
| D300037 | Tripod with instrument supporting head | L. Mark Marchus, Loren S. Hardy | 1989-02-28 |
| D299244 | Tripod | L. Mark Marchus, Loren S. Hardy | 1989-01-03 |
| D299245 | Instrument supporting head | L. Mark Marchus | 1989-01-03 |