Granted Patent
Utility
US 4,678,384 · App. 06/873,927
Controlled expansion blind fastener design
Inventors:
Kenneth P. Sparling, David G. Richardson, Angelo Incardona, Ronald E. Wood, Garth D. Kikendall, Leon Bakow
Patented Case
View Patent ↗
Granted: Jul 7, 1987
Filed: Jun 13, 1986
Inventors
Kenneth P. Sparling
David G. Richardson
Angelo Incardona
Ronald E. Wood
Garth D. Kikendall
Leon Bakow
Assignee (at issue)
Lockheed 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.