Granted Patent
Utility
US 4,893,394 · App. 07/271,123
Installation apparatus for attaching a female element to a panel
Inventor:
Rudolf Muller
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Nov 14, 1988
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.