Individual holder
SULLIVAN DONALD F
20 granted patents·556 citations·filing 1975–1989
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
20 records- 0194US4056773APrinted circuit board open circuit testerSULLIVAN DONALD F·Filed 1976·Granted Nov 1, 1977·61 cites·17 claims
- 0291US4528259APrinted wiring boards with solder mask over bare copper wires having large area thickened circuit pad connectionsSULLIVAN DONALD F·Filed 1983·Granted Jul 9, 1985·60 cites·6 claims
- 0389US4506004APrinted wiring boardSULLIVAN DONALD F·Filed 1982·Granted Mar 19, 1985·50 cites·9 claims
- 0488US4775611AAdditive printed circuit boards with flat surface and indented primary wiring conductorsSULLIVAN DONALD F·Filed 1984·Granted Oct 4, 1988·53 cites·14 claims
- 0586US4424089APhotoprinting process and apparatus for exposing paste-consistency photopolymersSULLIVAN DONALD F·Filed 1981·Granted Jan 3, 1984·47 cites·11 claims
- 0684US4971895ADouble exposure method of photoprinting with liquid photopolymersSULLIVAN DONALD F·Filed 1989·Granted Nov 20, 1990·38 cites·9 claims
- 0774US4582778AMulti-function photopolymer for efficiently producing high resolution images on printed wiring boards, and the likeSULLIVAN DONALD F·Filed 1983·Granted Apr 15, 1986·29 cites·28 claims
- 0874US4012693APrinted circuit board testingSULLIVAN DONALD F·Filed 1975·Granted Mar 15, 1977·21 cites·15 claims
- 0973US4645733AHigh resolution printed circuits formed in photopolymer pattern indentations overlaying printed wiring board substratesSULLIVAN DONALD F·Filed 1985·Granted Feb 24, 1987·30 cites·9 claims
- 1072US4544626APhotoprinting process and apparatus for exposing photopolymersSULLIVAN DONALD F·Filed 1983·Granted Oct 1, 1985·22 cites·14 claims
- 1172US4260675APhotoprinting plate and method of preparing printed circuit board solder masks therewithSULLIVAN DONALD F·Filed 1979·Granted Apr 7, 1981·26 cites·7 claims
- 1271US4610941AMethod for photographically improving the resolution of screen printed photopolymer imagesSULLIVAN DONALD F·Filed 1985·Granted Sep 9, 1986·29 cites·18 claims
- 1366US4756929AHigh density printing wiringSULLIVAN DONALD F·Filed 1984·Granted Jul 12, 1988·21 cites·5 claims
- 1466US4618567AHigh resolution liquid photopolymer coating patterns over irregular printed wiring board surface conductorsSULLIVAN DONALD F·Filed 1985·Granted Oct 21, 1986·25 cites·12 claims
- 1553US4556627ATransferring polymer from thin plastic films to photodevelop insulation patterns on printed wiring boardsSULLIVAN DONALD F·Filed 1984·Granted Dec 3, 1985·13 cites·11 claims
- 1645US4647524ATransferring polymer from thin plastic films to photodevelop insulation patterns on printed wiring boardsSULLIVAN DONALD F·Filed 1985·Granted Mar 3, 1987·10 cites·6 claims
- 1743US4657839APhotoprinting process and apparatus for exposing paste-consistency photopolymersSULLIVAN DONALD F·Filed 1983·Granted Apr 14, 1987·8 cites·21 claims
- 1839US4669869APhotoprinting process and apparatus for exposing paste-consistency photopolymersSULLIVAN DONALD F·Filed 1980·Granted Jun 2, 1987·6 cites·12 claims
- 1936US4591265ASystem for contact printing with liquid photopolymersSULLIVAN DONALD F·Filed 1984·Granted May 27, 1986·4 cites·21 claims
- 2034US4560639AReusable phototransparency image forming tools for direct contact printingSULLIVAN DONALD F·Filed 1983·Granted Dec 24, 1985·3 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →