Granted Patent
Utility
US 4,535,667 · App. 06/452,092
Saw chain
Inventors:
Duane M. Gibson, Lewis A. Scott
Patented Case
View Patent ↗
Granted: Aug 20, 1985
Filed: Dec 22, 1982
Inventors
Duane M. Gibson
Lewis A. Scott
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.