Granted Patent
Utility
US 5,117,069 · App. 07/589,220
Circuit board fabrication
Inventor:
Leo M. Higgins, III
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Sep 28, 1990
Inventor
Leo M. Higgins, III
Assignee (at issue)
Prime Computer, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.