Granted Patent
Utility
US 4,848,424 · App. 07/179,755
Vehicle mountable tree felling apparatus
Inventors:
Ronald W. Wiemeri, James N. Mitchell
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Apr 11, 1988
Inventors
Ronald W. Wiemeri
James N. Mitchell
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.