Granted Patent
Utility
US 4,802,803 · App. 07/091,554
Fastening element and panel assembly
Inventor:
Rudolph R. M. Muller
Patented Case
View Patent ↗
Granted: Feb 7, 1989
Filed: Aug 24, 1987
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.