Granted Patent
Utility
US 5,136,783 · App. 07/704,466
Chain saw sprocket
Inventors:
Don A. Bell, Encho J. Kuzarov
Patented Case
View Patent ↗
Granted: Aug 11, 1992
Filed: May 23, 1991
Inventors
Don A. Bell
Encho J. Kuzarov
Assignee (at issue)
Blount, 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.