Granted Patent
Utility
US 4,727,646 · App. 06/898,295
Die set for securing a self-attaching element
Inventor:
Rudolph R. M. Muller
Patented Case
View Patent ↗
Granted: Mar 1, 1988
Filed: Aug 20, 1986
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.