Granted Patent
Utility
US 5,983,508 · App. 09/090,233
Method and apparatus for adjusting the tension on a saw chain
Inventor:
Erik Sundstrom
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Jun 4, 1998
Inventor
Erik Sundstrom
Assignee (at issue)
SANDVIK LTD
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.