Granted Patent
Utility
US 5,465,770 · App. 08/341,905
Tree harvesting apparatus with impact hammer
Inventor:
John B. Lansberry
Patented Case
View Patent ↗
Granted: Nov 14, 1995
Filed: Nov 15, 1994
Inventor
John B. Lansberry
Assignee (at issue)
Stone & Wood, 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.