Granted Patent
Utility
US 6,148,547 · App. 09/420,132
Chain saw guide bar for tree harvester
Inventors:
Christopher D. Seigneur, Duane M. Gibson
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: Oct 18, 1999
Inventors
Christopher D. Seigneur
Duane M. Gibson
Assignee (at issue)
Blount, 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.