Granted Patent
Utility
US 4,753,290 · App. 06/886,994
Reduced-stress heat sink device
Inventor:
Paul G. Gabuzda
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Jul 18, 1986
Inventor
Paul G. Gabuzda
Assignee (at issue)
Unisys 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.