Granted Patent
Utility
US 5,158,912 · App. 07/682,771
Integral heatsink semiconductor package
Inventors:
Dave Kellerman, Robert J. Hannemann, Stanley J. Czerepak, Robert J. Simcoe
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Apr 9, 1991
Inventors
Dave Kellerman
Robert J. Hannemann
Stanley J. Czerepak
Robert J. Simcoe
Assignee (at issue)
Digital Equipment 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.