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| Number | Title | Issue Date |
| 4992811 | Film advancing and rewinding mechanism A motorized film winding and rewinding mechanism includes a take up drum for advancing a film and a motor to drive the take up drum. A spool for rewinding a film is connected to the take up drum through a series of gears so that it rotates in such a manne... | 02/12/1991 |
| 4839678 | Film counter for cameras A film counter indicator dial is journalled in a camera door and carries frame count indicia visible through a window in the door. The dial has peripheral gear teeth to form a worm gear which, when the door is closed, is meshed with a worm which is couple... | 06/13/1989 |
| 4492446 | Camera having film feed indicator A camera is disclosed which has a film feed indicator in the form of a member which is disposed behind openings in a wall of a door and which is connected to a pawl engageable in a film aperture to be moved to a latched condition by an initial advance of ... | 01/08/1985 |
| 4332449 | Film advance and rewind mechanism A film advance and rewind mechanism is disclosed in which a thumbwheel is rotatable in only one direction and is drivingly coupled to a take-up spool only when rotated, the take-up spool being free to rotate in a rewind direction when a supply spool is ro... | 06/01/1982 |
| 4332448 | Film winding safety mechanism A film winding safety mechanism is disclosed in which film metering and shutter-actuator mechanisms are driven from a sprocket wheel which is driven by film only when the film is properly loaded in a camera to be advanced by rotation of a take-up spool. T... | 06/01/1982 |
| 4277158 | Camera A small pocket type camera is provided which includes a plurality of picture-taking lenses and a corresponding plurality of viewfinder lenses. The lens system is arranged so that upon changing the picture-taking lens from one system to another the appropr... | 07/07/1981 |
| 4211479 | Film advance mechanism A camera including a film advance mechanism having a film advance plunger which is mounted for reciprocal movement from a rest position to a depressed position for operating the film advance mechanism to move film along an exposure plane and coil it about... | 07/08/1980 |
