Granted Patent
Utility
US 4,506,108 · App. 06/481,128
Copper body power hybrid package and method of manufacture
Inventors:
Dennis R. Kersch, Don Mitchell
Patented Case
View Patent ↗
Granted: Mar 19, 1985
Filed: Apr 1, 1983
Inventors
Dennis R. Kersch
Don Mitchell
Assignee (at issue)
Sperry Corp.
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.