Granted Patent
Utility
US 6,626,247 · App. 09/758,693
Mechanism to fasten adaptors to a head portion of a post driver
Inventor:
William F. Nordlin
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Jan 11, 2001
Inventor
William F. Nordlin
Assignee (at issue)
GREENLEE TEXRON 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.