Granted Patent
Utility
US 4,403,544 · App. 06/294,677
Overload protection device for baler feeder mechanism
Inventor:
Adrianus Naaktgeboren
Patented Case
View Patent ↗
Granted: Sep 13, 1983
Filed: Aug 20, 1981
Inventor
Adrianus Naaktgeboren
Assignee (at issue)
Sperry Corp.
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.