Granted Patent
Utility
US 4,228,967 · App. 06/076,832
Reel loader construction
Inventor:
Roger Woodruff
Patented Case
View Patent ↗
Granted: Oct 21, 1980
Filed: Sep 19, 1979
Inventor
Roger Woodruff
Assignee (at issue)
THE CHAMPION PARTNERSHIP
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.