Granted Patent
Utility
US 5,538,377 · App. 08/225,747
Enclosed nut retainer
Inventors:
Robert E. Stewart, Carl L. Lewis
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Apr 11, 1994
Inventors
Robert E. Stewart
Carl L. Lewis
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.