Sullivan; Donald F.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sullivan; Donald F..The latest application filed is for "double exposure method of photoprinting with liquid photopolymers".

Company Profile

0.20.0

Sullivan; Donald F. - Paradise PA
Sullivan; Donald F. - King of Prussia PA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Double exposure method of photoprinting with liquid photopolymers Grant 4,971,895 - Sullivan November 20, 1	1990-11-20
Polymer printing Grant 4,966,827 - Sullivan October 30, 1	1990-10-30
Photoflashing a liquid polymer layer on a phototool surface exposed to air Grant 4,954,421 - Sullivan September 4, 1	1990-09-04
Photoprinting process and apparatus for exposing paste consistency photopolymers Grant 4,888,270 - Sullivan December 19, 1	1989-12-19
Additive printed circuit boards with flat surface and indented primary wiring conductors Grant 4,775,611 - Sullivan * October 4, 1	1988-10-04
High density printing wiring Grant 4,756,929 - Sullivan July 12, 1	1988-07-12
High resolution solder mask photopolymers for screen coating over circuit traces Grant 4,752,553 - Sullivan June 21, 1	1988-06-21
Circuit wiring disposed on solder mask coating Grant 4,706,167 - Sullivan * November 10, 1	1987-11-10
Photoprinting process and apparatus for exposing paste-consistency photopolymers Grant 4,657,839 - Sullivan April 14, 1	1987-04-14
High resolution printed circuits formed in photopolymer pattern indentations overlaying printed wiring board substrates Grant 4,645,733 - Sullivan February 24, 1	1987-02-24
High resolution liquid photopolymer coating patterns over irregular printed wiring board surface conductors Grant 4,618,567 - Sullivan October 21, 1	1986-10-21
Method for photographically improving the resolution of screen printed photopolymer images Grant 4,610,941 - Sullivan September 9, 1	1986-09-09
Multi-function photopolymer for efficiently producing high resolution images on printed wiring boards, and the like Grant 4,582,778 - Sullivan April 15, 1	1986-04-15
Photoprinting process and apparatus for exposing photopolymers Grant 4,544,626 - Sullivan October 1, 1	1985-10-01
Printed wiring boards with solder mask over bare copper wires having large area thickened circuit pad connections Grant 4,528,259 - Sullivan * July 9, 1	1985-07-09
Printed wiring board Grant 4,506,004 - Sullivan March 19, 1	1985-03-19
Photoprinting process and apparatus for exposing paste-consistency photopolymers Grant 4,424,089 - Sullivan January 3, 1	1984-01-03
Photoprinting plate and method of preparing printed circuit board solder masks therewith Grant 4,260,675 - Sullivan April 7, 1	1981-04-07
Printed circuit board open circuit tester Grant 4,056,773 - Sullivan November 1, 1	1977-11-01
Printed circuit board testing Grant 4,012,693 - Sullivan March 15, 1	1977-03-15

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.