Granted Patent
Utility
US 4,157,603 · App. 05/583,700
Fastening element train and method and apparatus of manufacture
Inventor:
John A. Kowalski
Patented Case
View Patent ↗
Granted: Jun 12, 1979
Filed: Jun 4, 1975
Inventor
John A. Kowalski
Assignee (at issue)
Textron 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.