Granted Patent
Utility
US 5,778,537 · App. 08/765,946
Chain saw guide bar with liquid spray device
Inventor:
Arvo Leini
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Feb 27, 1997
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.