Granted Patent
Utility
US 4,358,921 · App. 06/297,771
Cotton stripper finger attachment
Inventor:
Dan Pustejovsky
Patented Case
View Patent ↗
Granted: Nov 16, 1982
Filed: Aug 31, 1981
Inventor
Dan Pustejovsky
Assignee (at issue)
Allis-Chalmers Corporation
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.