Assignee
VOLK DAVID
US·11 granted patents·712 citations·filing 1974–2007
Top patents by PatentIndex Score
11 records- 0195US3950082AOphthalmic lens for presbyopia and aphakiaVOLK DAVID·Filed 1975·Granted Apr 13, 1976·114 cites·11 claims
- 0294US4640595AAspheric contact lensVOLK DAVID·Filed 1984·Granted Feb 3, 1987·101 cites·24 claims
- 0388US4710193AAccommodating intraocular lens and lens series and method of lens selectionVOLK DAVID·Filed 1986·Granted Dec 1, 1987·243 cites·15 claims
- 0477US4002439AMethod of forming an ophthalmic lens for presbyopia and aphakiaVOLK DAVID·Filed 1974·Granted Jan 11, 1977·23 cites·2 claims
- 0567US4050192AApparatus for farming ophthalmic lens for presbyopia and aphakiaVOLK DAVID·Filed 1976·Granted Sep 27, 1977·12 cites·11 claims
- 0666US4149801AMethod and apparatus for measuring aspheric contact lens surfacesVOLK DAVID·Filed 1977·Granted Apr 17, 1979·18 cites·10 claims
- 0761US4721378ACondensing-image forming optical system for indirect ophthalmoscopyVOLK DAVID·Filed 1985·Granted Jan 26, 1988·71 cites·5 claims
- 0859US4738521ALens for indirect ophthalmoscopyVOLK DAVID·Filed 1982·Granted Apr 19, 1988·47 cites·8 claims
- 0958US7753323B2V-liftVOLK DAVID·Filed 2007·Granted Jul 13, 2010·1 cites·14 claims
- 1058US4682866AHead-borne binocular indirect ophthalmoscope with integrated telescopeVOLK DAVID·Filed 1984·Granted Jul 28, 1987·45 cites·13 claims
- 1148US4627694AIndirect ophthalmoscopy lens for use with slit lamp biomicroscopeVOLK DAVID·Filed 1985·Granted Dec 9, 1986·37 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →