Granted Patent
Utility
US 6,102,608 · App. 09/066,796
Damage resistant control knob/shaft assembly
Inventors:
Michael P. Hogan, Hamid Ali Khan, Darl Dufendach
Patented Case
View Patent ↗
Granted: Aug 15, 2000
Filed: Apr 27, 1998
Inventors
Michael P. Hogan
Hamid Ali Khan
Darl Dufendach
Assignee (at issue)
DELCO ELECTRONICS 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.