Granted Patent
Utility
US 4,459,073 · App. 06/485,099
Fasteners with piercing and riveting performance
Inventor:
Rudolf Muller
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Mar 28, 1983
Inventor
Rudolf Muller
Assignee (at issue)
Multifastener 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.