Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5503357 | Lock mechanism for tripod legs | Joel W. Johnson | 1996-04-02 |
| 4976208 | Water cooled incinerator | — | 1990-12-11 |
| 4955568 | Panhead for camera | Joel W. Johnson | 1990-09-11 |
| 4876971 | Water cooled incinerator | — | 1989-10-31 |
| 4872628 | Mechanically counterbalancing platform | — | 1989-10-10 |
| 4872524 | Wheel-less walking dolly | — | 1989-10-10 |
| 4872627 | Locking tripod leg | — | 1989-10-10 |
| 4840338 | Locking tripod leg | — | 1989-06-20 |
| 4796843 | Cable tripod spreader | — | 1989-01-10 |
| 4784604 | Air pulsation for combustors | — | 1988-11-15 |
| 4726765 | Combustor drum hole shields | — | 1988-02-23 |
| 4699070 | Secondary grate for rotary combustor | — | 1987-10-13 |
| 4635566 | Fuel mixer and burner | — | 1987-01-13 |
| 4466595 | Camera lock-plate assembly | — | 1984-08-21 |