IP Library › Granted Patent US 4,978,423
Granted Patent Utility
US 4,978,423 · App. 07/249,133

Selective solder formation on printed circuit boards

Inventors: Roy K. Durnwirth, Jr., John E George, Kim L. Morton
Patented Case View Patent ↗
Granted: Dec 18, 1990 Filed: Sep 26, 1988
Inventors
Roy K. Durnwirth, Jr.
John E George
Kim L. Morton
Assignee (at issue)
AT&T Bell Laboratories

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Quick Facts
Patent No.
US 4,978,423
App. No.
07/249,133
Filed
1988-09-26
Granted
1990-12-18
Kind
A