Granted Patent
Utility
US 4,715,438 · App. 06/880,427
Staggered radial-fin heat sink device for integrated circuit package
Inventors:
Paul G. Gabuzda, Sanford V. Terrell
Patented Case
View Patent ↗
Granted: Dec 29, 1987
Filed: Jun 30, 1986
Inventors
Paul G. Gabuzda
Sanford V. Terrell
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.