Granted Patent
Utility
US 5,000,254 · App. 07/368,822
Dynamic heat sink
Inventor:
Edward Williams
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Jun 20, 1989
Inventor
Edward Williams
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.