Granted Patent
Utility
US 5,209,620 · App. 07/751,034
Fastener with differentially inclined axes
Inventor:
Vahid Zare-Ardestani
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Aug 28, 1991
Inventor
Vahid Zare-Ardestani
Assignee (at issue)
VSI, LLC
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.