Granted Patent
Utility
US 4,555,838 · App. 06/563,833
Method of installing self-attaching fasteners
Inventor:
Rudolph R. M. Muller
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: Dec 21, 1983
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.