Granted Patent
Utility
US 4,642,869 · App. 06/694,365
Process of attaching a nut to a plate-shaped workpiece
Inventor:
Rudolph R. M. Muller
Patented Case
View Patent ↗
Granted: Feb 17, 1987
Filed: Jan 24, 1985
Inventor
Rudolph R. M. 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.