Granted Patent
Utility
US 5,174,018 · App. 07/728,469
Die button with staking features
Inventor:
R. M. Muller
Patented Case
View Patent ↗
Granted: Dec 29, 1992
Filed: Jul 11, 1991
Inventor
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.