Granted Patent
Utility
US 4,930,411 · App. 07/338,170
Apparatus for density control in rectangular balers to improve the bale tying operation
Inventor:
Adrianus Naaktgeboren
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Apr 14, 1989
Inventor
Adrianus Naaktgeboren
Assignee (at issue)
Ford New Holland, 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.