Granted Patent
Utility
US 4,796,356 · App. 07/090,193
Process for making close tolerance thick film resistors
Inventor:
Thomas Ozaki
Patented Case
View Patent ↗
Granted: Jan 10, 1989
Filed: Aug 27, 1987
Inventor
Thomas Ozaki
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.