Granted Patent
Utility
US 5,169,465 · App. 07/646,266
Thick-film circuit element on a ceramic substrate
Inventor:
Richard E. Riley
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Jan 28, 1991
Inventor
Richard E. Riley
Assignee (at issue)
Spectrol Electronics 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.