Granted Patent
Utility
US 6,447,518 · App. 09/557,607
Flexible shaft components
Inventors:
William R. Krause, Garland U. Edwards
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Apr 25, 2000
Inventors
William R. Krause
Garland U. Edwards
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.