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Class Information
Number: 33/266
Name: Geometrical instruments > Straight-line light ray type > Structurally installed > Camera
Description: Device installed or mounted upon a camera.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7452142 |
Device to reduce angular distortion in photography |
Nov. 18, 2008 |
| 7363742 |
Systems and methods for electronic weaponry having audio and/or video recording capability |
Apr. 29, 2008 |
| 6553186 |
Camera viewfinder with aiming aid |
Apr. 22, 2003 |
| 5530510 |
Folding variable format viewfinder for camera |
Jun. 25, 1996 |
| 5437104 |
Laser sight mounting device for mounting a laser sight on the flash attachment of a camera |
Aug. 1, 1995 |
| 4893141 |
Open frame sight viewfinder |
Jan. 9, 1990 |
| 4891658 |
Open frame sight viewfinder |
Jan. 2, 1990 |
| 4889425 |
Laser alignment system |
Dec. 26, 1989 |
| 4343534 |
Simulated camera viewer for video productions |
Aug. 10, 1982 |
| 4283860 |
Lens field of view simulator |
Aug. 18, 1981 |
| 4216589 |
Sighting device for surveillance camera |
Aug. 12, 1980 |
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