Granted Patent
Utility
US 4,405,273 · App. 06/204,838
Blind fasteners
Inventors:
John H. Ruhl, Richard D. Dixon
Patented Case
View Patent ↗
Granted: Sep 20, 1983
Filed: Nov 7, 1980
Inventors
John H. Ruhl
Richard D. Dixon
Assignee (at issue)
Huck Manufacturing Co.
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.