Granted Patent
Utility
US 4,409,717 · App. 06/255,858
Swedging tool structure and use
Inventor:
David W. Boozer
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: Apr 20, 1981
Inventor
David W. Boozer
Assignee (at issue)
Atlantic Building 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.