Granted Patent
Utility
US 4,538,211 · App. 06/639,881
Printed wiring board file with variable printed wiring board spacings
Inventors:
Ansano Bertellotti, Anthony Traina
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Aug 13, 1984
Inventors
Ansano Bertellotti
Anthony Traina
Assignee (at issue)
GTE Communication Systems Corporation
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.