Granted Patent
Utility
US 4,437,805 · App. 06/228,600
Multigrip fastener
Inventor:
Walter John Smith
Patented Case
View Patent ↗
Granted: Mar 20, 1984
Filed: Jan 26, 1981
Inventor
Walter John Smith
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.