Granted Patent
Utility
US 4,841,825 · App. 07/205,300
Saw chain with wrap-over depth gauge
Inventor:
Kenneth Martin
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Jun 10, 1988
Inventor
Kenneth Martin
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.