Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333025 | Rotating magnet focal plane shutter usable in a camera and having an improved device for holding the shutter in a closed position | — | 1994-07-26 |
| 5164754 | Camera shutter release cable adapter | William P. Lynch, Douglas T. Moran | 1992-11-17 |
| 5159382 | Device and method for electromagnetically activating the shutter of a camera | J. Kelly Lee, Tom M. Seamans | 1992-10-27 |
| 5155522 | Self centering bi-directional electromagnetic actuator | David A. Castor, Tom M. Seamans, J. Kelly Lee | 1992-10-13 |
| 5138351 | Battery charging apparatus with removable plug module | Philip J. Wiegand | 1992-08-11 |
| 5126778 | Dedicated photographic flash system for varying flash spread based upon camera-to-subject distance | Richard B. Wheeler, Mikhail Vaynshteyn | 1992-06-30 |
| 4881093 | Electromagnetic shutter apparatus | — | 1989-11-14 |
| 4821053 | Photographic flash device | Paul L. Ruben | 1989-04-11 |
| 4659881 | Multidome multistage switch assembly | — | 1987-04-21 |