Granted Patent
Utility
US 5,035,939 · App. 07/477,393
Manufacture of printed circuit boards
Inventors:
Edward J. Conlon, Ashok N. Prabhu, Simon M. Boardman, Valerie Ann Pendrick
Patented Case
View Patent ↗
Granted: Jul 30, 1991
Filed: Feb 9, 1990
Inventors
Edward J. Conlon
Ashok N. Prabhu
Simon M. Boardman
Valerie Ann Pendrick
Assignee (at issue)
David Sarnoff Research Center 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.