Mark A. Lamphron
18Patents
5h-index
8Co-inventors
51Inventor score
Filing activity: Feb 11, 1993 → Feb 17, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5255041A | Single-use camera with door for cartridge receiving chamber | Physics | 17 | Expired |
| US5761542A | One-time-use camera with film door which when opened to remove film cartridge breaks anti-backup pawl for film winder wheel | Physics | 17 | Expired |
| US5943521A | Camera with movable protective cover supported for pivoting to activate switch | Physics | 10 | Expired |
| US6035128A | One-time-use camera with hinge-connected front and rear cover parts | Physics | 6 | Expired |
| US5576790A | Anti-backup mechanism for preventing reverse rotation of film winder in camera | Physics | 6 | Expired |
| US5758197A | One-time-use camera with resettable frame counter | Physics | 5 | Expired |
| US5867739A | One-time-use camera with break-away retainer for removable plug | Physics | 3 | Expired |
| US5950029A | Variable format viewfinder mask and lens cover in camera | Physics | 3 | Expired |
| US5765042A | One-time-use camera with matching indicia on camera exterior and film cassette | Physics | 2 | Expired |
| USD352302S | Single-use daylight camera | General | 2 | Expired |
| USD352303S | Single-use camera with built-in flash | General | 2 | Expired |
| US5771401A | One-time-use camera with translation-to-rotation converter which is translated first to rotate light lock of film cassette closed and then to eject cassette from camera | Physics | 1 | Expired |
| US5748988A | Quietly operating anti-backup pawl for manual film advance thumbwheel in camera | Physics | 1 | Expired |
| US6033133A | Shutter mechanism for cameras | Physics | 1 | Expired |
| US5864723A | One-time-use camera with motion-restraint for rotatable frame counter | Physics | 1 | Expired |
| US5999745A | One-time-use camera with anti-backup mechanism to prevent reverse unwinding rotation of film winder | Physics | 1 | Expired |
| US6097891A | One-time-use camera with viewfinder incapacitated when rear cover part removed to load fresh film in camera | Physics | 0 | Expired |
| US6010252A | Shutter mechanism | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.