Granted Patent
Utility
US 5,865,699 · App. 08/729,677
Coated chain saw nose sprocket
Inventor:
Arvo Leini
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Oct 3, 1996
Inventor
Arvo Leini
Assignee (at issue)
SANDVIK AB
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.