Assignee
VIVITAR CORP
60 granted patents·811 citations·filing 1973–1994
Top patents by PatentIndex Score
60 records- 0196US4114171AReflex camera with internal zoom lensVIVITAR CORP·Filed 1976·Granted Sep 12, 1978·61 cites·24 claims
- 0294US4249798AMiniature camera with zoom lensVIVITAR CORP·Filed 1978·Granted Feb 10, 1981·79 cites·14 claims
- 0391US4462666AAutomatic zoom flashVIVITAR CORP·Filed 1982·Granted Jul 31, 1984·39 cites·11 claims
- 0489US4240738ALight mixing system for a photographic enlargerVIVITAR CORP·Filed 1979·Granted Dec 23, 1980·28 cites·14 claims
- 0583US4523816ACatadioptric lensVIVITAR CORP·Filed 1983·Granted Jun 18, 1985·39 cites·9 claims
- 0682US5424794ARed-eye reduction systemVIVITAR CORP·Filed 1993·Granted Jun 13, 1995·30 cites·9 claims
- 0782US4274131ALight diffusing means for a photographic enlargerVIVITAR CORP·Filed 1979·Granted Jun 16, 1981·16 cites·9 claims
- 0881US4314750ATactile indication and control systemVIVITAR CORP·Filed 1981·Granted Feb 9, 1982·18 cites·14 claims
- 0978US4299454AWide angle to long focus zoom lensVIVITAR CORP·Filed 1979·Granted Nov 10, 1981·29 cites·35 claims
- 1076US4358995AApparatus for crushing articlesVIVITAR CORP·Filed 1980·Granted Nov 16, 1982·27 cites·10 claims
- 1175US4410250AFlash adapater and systemVIVITAR CORP·Filed 1981·Granted Oct 18, 1983·12 cites·18 claims
- 1275US4066356AAnti-backlash means for adjusting enlargersVIVITAR CORP·Filed 1976·Granted Jan 3, 1978·24 cites·6 claims
- 1372US4256381AZoom lensVIVITAR CORP·Filed 1980·Granted Mar 17, 1981·25 cites·31 claims
- 1471US4304466AZoom lensVIVITAR CORP·Filed 1979·Granted Dec 8, 1981·22 cites·14 claims
- 1569US4563627ASwitching system for high voltage battery packVIVITAR CORP·Filed 1984·Granted Jan 7, 1986·25 cites·5 claims
- 1668USD252539SCarrying case for a camera and accessoriesVIVITAR CORP·Filed 1977·Granted Aug 7, 1979·9 cites·1 claims
- 1768US4129372ALight mixing apparatus and photographic enlarger embodying sameVIVITAR CORP·Filed 1977·Granted Dec 12, 1978·12 cites·36 claims
- 1864US4749268AAutofocusing zoom lensVIVITAR CORP·Filed 1985·Granted Jun 7, 1988·23 cites·10 claims
- 1964US4405223APistol gripVIVITAR CORP·Filed 1982·Granted Sep 20, 1983·19 cites·8 claims
- 2064US4141636AZoom lens with movable diaphragmVIVITAR CORP·Filed 1976·Granted Feb 27, 1979·19 cites·15 claims
- 2163US4704023ACamera to flash adapterVIVITAR CORP·Filed 1984·Granted Nov 3, 1987·7 cites·6 claims
- 2261US4466708AZoom lensVIVITAR CORP·Filed 1982·Granted Aug 21, 1984·16 cites·30 claims
- 2360US4513238AAutomatic battery charger with thermal controlVIVITAR CORP·Filed 1983·Granted Apr 23, 1985·26 cites·8 claims
- 2460US4074170AVoltage regulator with thermal overload protectionVIVITAR CORP·Filed 1976·Granted Feb 14, 1978·16 cites·15 claims
- 2556USD329863SPhotographic cameraVIVITAR CORP·Filed 1990·Granted Sep 29, 1992·9 cites·1 claims
- 2656US4168898ADisplay system for cameraVIVITAR CORP·Filed 1977·Granted Sep 25, 1979·4 cites·9 claims
- 2754US4258980ARetrofocus lensVIVITAR CORP·Filed 1979·Granted Mar 31, 1981·12 cites·16 claims
- 2853USD271210SElectronic flash adapterVIVITAR CORP·Filed 1981·Granted Nov 1, 1983·6 cites·1 claims
- 2953US4099849AWide angle objectiveVIVITAR CORP·Filed 1974·Granted Jul 11, 1978·12 cites·33 claims
- 3051US4307943AClose focusing zoom lensVIVITAR CORP·Filed 1980·Granted Dec 29, 1981·11 cites·21 claims
- 3150US4079392AShutter speed selector accessoryVIVITAR CORP·Filed 1976·Granted Mar 14, 1978·3 cites·11 claims
- 3248USD360217SPhotographic cameraVIVITAR CORP·Filed 1994·Granted Jul 11, 1995·6 cites·1 claims
- 3348US4192586AElectronic system for photographic devicesVIVITAR CORP·Filed 1975·Granted Mar 11, 1980·3 cites·33 claims
- 3447US4182549ACompact wide angle lensVIVITAR CORP·Filed 1978·Granted Jan 8, 1980·9 cites·2 claims
- 3547US4121234AFocusing and projection screenVIVITAR CORP·Filed 1977·Granted Oct 17, 1978·3 cites·15 claims
- 3645US4433914AExposure meterVIVITAR CORP·Filed 1979·Granted Feb 28, 1984·7 cites·18 claims
- 3745US4333714ACompact wide angle lensVIVITAR CORP·Filed 1980·Granted Jun 8, 1982·8 cites·7 claims
- 3845US4330737AElectronic flash systemVIVITAR CORP·Filed 1980·Granted May 18, 1982·9 cites·16 claims
- 3944USD331251SPhotographic cameraVIVITAR CORP·Filed 1990·Granted Nov 24, 1992·5 cites·1 claims
- 4044USD330039SPhotographic cameraVIVITAR CORP·Filed 1991·Granted Oct 6, 1992·5 cites·1 claims
- 4144US4125315ALight mixing deviceVIVITAR CORP·Filed 1976·Granted Nov 14, 1978·11 cites·21 claims
- 4243US4273414AZoom lensVIVITAR CORP·Filed 1978·Granted Jun 16, 1981·8 cites·5 claims
- 4340US4462664AZoom lensVIVITAR CORP·Filed 1980·Granted Jul 31, 1984·6 cites·37 claims
- 4438US4287453AElectronic slave flash delay deviceVIVITAR CORP·Filed 1979·Granted Sep 1, 1981·5 cites·33 claims
- 4538US4116536AWide angle lensVIVITAR CORP·Filed 1976·Granted Sep 26, 1978·11 cites·18 claims
- 4636US4474450ACamera to flash adapterVIVITAR CORP·Filed 1981·Granted Oct 2, 1984·1 cites·18 claims
- 4736US4159165AZoom lensVIVITAR CORP·Filed 1976·Granted Jun 26, 1979·4 cites·29 claims
- 4835US4620774AInternal focusing lensVIVITAR CORP·Filed 1984·Granted Nov 4, 1986·3 cites·17 claims
- 4935USD275573SSlide printerVIVITAR CORP·Filed 1982·Granted Sep 18, 1984·1 cites·1 claims
- 5034US4145115AZoom lensVIVITAR CORP·Filed 1977·Granted Mar 20, 1979·3 cites·12 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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