| Patents for G02B 23 - Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices (16,751) |
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| 05/31/1977 | US4027159 Combined use of visible and near-IR imaging systems with far-IR detector system |
| 05/24/1977 | US4025155 Image-transmitting optical system |
| 05/03/1977 | US4021663 Automatic exposure controlling photometric device in an endoscope |
| 04/12/1977 | US4017150 Wide-angle illuminating optical system with light guide |
| 04/12/1977 | US4017148 Tri-power periscope head assembly |
| 04/05/1977 | US4015906 Method and apparatus for aligning an invisible beam particularly a laser bear |
| 03/22/1977 | US4013341 Collapsible binocular instrument |
| 03/22/1977 | US4013340 Binocular |
| 03/15/1977 | US4012123 Binocular device for displaying numerical information in field of view |
| 03/15/1977 | US4012109 High magnification optical apparatus |
| 03/08/1977 | US4011452 Antinarcissus reflector assembly for infrared detector |
| 03/08/1977 | US4011017 Borescope support apparatus |
| 03/01/1977 | US4009948 Apparatus for enhancing visibility in fog or underwater |
| 02/01/1977 | US4006486 Optical viewing, photographic device for vapor generator |
| 12/28/1976 | US4000419 Apparatus for adding electronic display information to a night vision goggle display |
| 12/14/1976 | US3997762 Fire control system |
| 12/07/1976 | US3995934 Flexible light guide |
| 11/30/1976 | US3994557 Optical systems |
| 11/23/1976 | US3992782 Low profile gun sight |
| 11/16/1976 | US3992629 Telescope cluster |
| 11/09/1976 | US3990778 Optical viewing system for high pressure environments |
| 11/02/1976 | US3989947 Telescope cluster |
| 10/12/1976 | US3985421 Binocular having small size, lightweight, and high performance characteristic |
| 09/21/1976 | US3981706 Overcladding, fusion, leaching |
| 09/14/1976 | US3981021 Binocular adapter for a camera having a recessed lens |
| 09/14/1976 | US3980394 Stereo viewing |
| 09/14/1976 | US3980078 Endoscope with cleaning device |
| 08/24/1976 | US3976369 Alpha meter attachment for underwater optical systems |
| 08/10/1976 | US3974428 Wide range, high accuracy, electronically programmed speed control system |
| 08/10/1976 | US3974376 Light amplifier for obtaining intensified light image from photoemissive surface |
| 07/27/1976 | US3972007 Laser |
| 07/27/1976 | US3971933 Quick disconnect for night vision optics |
| 07/27/1976 | US3971620 Telescope assemblies |
| 07/06/1976 | US3967876 Telescopic gun sight |
| 06/29/1976 | US3966298 Image derotation device for relaying optical paths off or across gimbals |
| 06/15/1976 | US3963356 Optical sight |
| 06/15/1976 | US3963328 Wide field reflective optical apparatus |
| 06/15/1976 | US3962795 Erector assembly retainer for telescopic rifle sights |
| 06/01/1976 | US3960453 Electronic telescopic sight |
| 04/27/1976 | US3953822 Wave-energy imaging technique |
| 04/20/1976 | US3951553 Apparatus for aiming a gun |
| 04/20/1976 | US3951511 Astronomical telescope mount |
| 03/30/1976 | US3947086 Device for tilting a field in an optical system |
| 03/30/1976 | US3947084 Long-wave infrared afocal zoom telescope |
| 03/16/1976 | US3944325 Semi-liquid stabilized optices |
| 03/09/1976 | US3942901 Optical sighting instrument with means for producing a sighting mark |
| 03/09/1976 | US3942866 Fiber-optical structure of high apparent power of resolution |
| 03/09/1976 | US3942865 Portable telescope |
| 03/02/1976 | US3941121 Focusing fiber-optic needle endoscope |
| 02/03/1976 | US3936149 Non-homogeneous objective lens having an aperture diaphragm |
| 02/03/1976 | US3936137 Illuminated reticle projection system |