Granted Patent
Utility
US 4,985,293 · App. 07/393,426
Polymer blend for molded circuit boards and other selectively conductive molded devices
Inventor:
Gerald T. Keep
Patented Case
View Patent ↗
Granted: Jan 15, 1991
Filed: Aug 14, 1989
Inventor
Gerald T. Keep
Assignee (at issue)
EASTMAN KODAK COMPANY
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.