Granted Patent
Utility
US 4,146,161 · App. 05/803,012
Pinning machine
Inventor:
Richard W. Lewis
Patented Case
View Patent ↗
Granted: Mar 27, 1979
Filed: Jun 3, 1977
Inventor
Richard W. Lewis
Assignee (at issue)
Monarch Marking Systems, 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.