Granted Patent
Utility
US 4,581,968 · App. 06/600,005
Saw chain with improved cutting depth control
Inventors:
Duane M. Gibson, Lewis A. Scott, Kent L. Huntington, William G. Killen
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Apr 13, 1984
Inventors
Duane M. Gibson
Lewis A. Scott
Kent L. Huntington
William G. Killen
Assignee (at issue)
Omark 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.