Granted Patent
Utility
US 6,501,657 · App. 10/054,389
Torsional heat sink retention device
Inventor:
Daniel S. Carr
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Jan 22, 2002
Inventor
Daniel S. Carr
Assignee (at issue)
Dell Products L.P.
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.