Assignee
CLAPP ROY A
US·8 granted patents·120 citations·filing 1975–1992
Top patents by PatentIndex Score
8 records- 0188US4018519AComposite photography apparatus and method utilizing a polarizing beam splitting unitCLAPP ROY A·Filed 1975·Granted Apr 19, 1977·21 cites·18 claims
- 0269US4845643ASimplified computer graphics perspectivesCLAPP ROY A·Filed 1986·Granted Jul 4, 1989·46 cites·7 claims
- 0366US3985425APolarizing beam splitting unitCLAPP ROY A·Filed 1975·Granted Oct 12, 1976·20 cites·7 claims
- 0460US5162843AMulti-image photographic printerCLAPP ROY A·Filed 1991·Granted Nov 10, 1992·10 cites·7 claims
- 0556US4213689AElectromagnetically actuated shutter mechanism for camerasCLAPP ROY A·Filed 1979·Granted Jul 22, 1980·4 cites·9 claims
- 0652US5010414AProcess eliminating the use of a master positive film for making a duplicate negative of a color motion pictureCLAPP ROY A·Filed 1985·Granted Apr 23, 1991·13 cites·7 claims
- 0744US4896187AHigh-efficiency illuminating system and method for multi-image printersCLAPP ROY A·Filed 1988·Granted Jan 23, 1990·4 cites·10 claims
- 0834US5296890ALight source for photographic color printersCLAPP ROY A·Filed 1992·Granted Mar 22, 1994·2 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when CLAPP ROY A files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →