Granted Patent
Utility
US 6,834,430 · App. 10/699,496
Method of making two-part knob
Inventor:
James Worrell
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Oct 31, 2003
Inventor
James Worrell
Assignee (at issue)
K I Industries, Inc.
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.