Granted Patent
Utility
US 6,367,156 · App. 09/291,228
Blades for hand held power operated shears
Inventors:
Raymond J. Herrmann, Arthur W. Zimmermann
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Apr 13, 1999
Inventors
Raymond J. Herrmann
Arthur W. Zimmermann
Assignee (at issue)
Bettcher 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.