Granted Patent
Utility
US 4,230,017 · App. 05/950,827
Pull-type blind fastener construction
Inventor:
Donald J. Angelosanto
Patented Case
View Patent ↗
Granted: Oct 28, 1980
Filed: Oct 12, 1978
Inventor
Donald J. Angelosanto
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.