Granted Patent
Utility
US 4,649,338 · App. 06/390,815
Fine line circuitry probes and method of manufacture
Inventor:
William P. Dugan
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Jun 21, 1982
Inventor
William P. Dugan
Assignee (at issue)
General Dynamics Corp., Pomona Division
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.