Granted Patent
Utility
US 5,042,350 · App. 07/403,134
Saw chain for a motor-driven chain saw
Inventor:
Karl Nitschmann
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Sep 5, 1989
Inventor
Karl Nitschmann
Assignee (at issue)
Andreas Stihl AG & Co. KG
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.