Granted Patent
Utility
US 5,692,307 · App. 08/672,839
Rotary knife blade
Inventors:
Jeffrey A. Whited, Robert L. Leimbach, G. Daniel Harper
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Jun 28, 1996
Inventors
Jeffrey A. Whited
Robert L. Leimbach
G. Daniel Harper
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.