Patents
Patents for G02B 25 - Eyepieces; Magnifying glasses (3,063)
03/1981
03/24/1981US4257670 Optical peephole device insertable in thick walls for panoramic viewing therethrough
02/1981
02/17/1981US4251158 Albada finder incorporating a range finder
02/17/1981US4251127 Wide-angle door viewer
02/10/1981US4249795 Scope for viewing the internal surface of a bore or similar cavity
02/10/1981US4249793 Erect type zoom telescopic optical system
10/1980
10/07/1980US4226508 Viewing and angling device for ice fishing
09/1980
09/30/1980US4225907 Flashlight magnifier attachment
09/02/1980CA1084744A1 Optical lens magnifying device
08/1980
08/12/1980US4217048 Viewfinder capable of adjusting diopter
07/1980
07/29/1980CA1082502A1 Hand-held microscope
06/1980
06/17/1980CA1079556A1 10x two element eyepiece
06/10/1980US4206978 Light reflecting magnifier
05/1980
05/27/1980CA1078232A1 Optical magnifying device
04/1980
04/29/1980US4200357 Photo eyepiece for microscopes
04/15/1980US4198114 Magnifying optical system
02/1980
02/26/1980US4190322 Magnifying means
01/1980
01/15/1980US4183624 Lenses
12/1979
12/11/1979US4178072 Optical systems
11/1979
11/27/1979US4175824 Door viewer with barrel flange and mating lens recess
10/1979
10/30/1979US4172662 Eyepiece for measurement of lengths and angles by a microscope
10/30/1979US4172636 Door scope
04/1979
04/03/1979US4147411 Device for use in threading needles
03/1979
03/20/1979US4145108 Photo eyepiece for microscopes
02/1979
02/06/1979CA1047811A1 Three element eyepiece with magnification of 12x
01/1979
01/30/1979US4137561 Magnifying hand tool with self-containing illuminating means
01/09/1979US4133603 Extra hand magnifying glass
12/1978
12/05/1978US4128306 Optical magnifying device
11/1978
11/21/1978US4126377 Zoom optical system for microscopes
10/1978
10/17/1978CA1040465A1 Magnifying lens device
10/10/1978US4119984 Eyepiece
09/1978
09/26/1978US4116529 Wide-angle spyglass
09/05/1978US4111528 Magnifier
08/1978
08/08/1978US4105287 Optical reading system for electronic pocket calculators
08/01/1978US4104663 Multiple objective lens camera
07/1978
07/11/1978US4099851 Reading aid
07/11/1978US4099842 Wide field eyepiece lens system
06/1978
06/13/1978US4094598 Micro display with magnifier
06/13/1978US4094585 Loupe
05/1978
05/16/1978US4089592 Microscope
04/1978
04/25/1978US4086000 Viewfinder optics with zero power doublet
04/04/1978US4082434 Wide-angle optical system for door viewer
04/04/1978US4082418 Binocular barrel with adjustable interpupillary distance and target marker support
01/1978
01/03/1978US4066339 Optometer eyepiece
10/1977
10/18/1977US4054370 Full-focus eyepiece
09/1977
09/27/1977US4050792 Observation port assembly
09/06/1977US4047222 Camera viewfinding system
09/06/1977US4047207 Viewing system for reflex camera
08/1977
08/09/1977US4040724 Magnifying display article
07/1977
07/26/1977US4037940 Magnifying lens device
06/1977
06/21/1977US4030814 Recipe magnifier and viewer
04/1977
04/12/1977US4017159 Two-element eyepiece
03/1977
03/15/1977US4012127 Magnifying attachment for telephone buttons and the like
11/1976
11/30/1976US3994570 10X Two element eyepiece
11/02/1976US3989349 Reflex finder
08/1976
08/17/1976US3975088 Three element eyepiece with magnification of 12X
08/10/1976US3973835 Security viewing device
05/1976
05/18/1976US3957358 Viewer for microreproduction on a transparent film
05/11/1976US3955884 Magnifying lens holder assembly
03/1976
03/30/1976US3947086 Device for tilting a field in an optical system
03/23/1976US3945717 Illuminating magnifying lens structure
03/23/1976US3945712 Operating magnifier and miniature opthalmoscope
02/1976
02/03/1976US3936156 Jewelry display and viewing device
02/03/1976US3936152 Binocular viewing device
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