Granted Patent
Utility
US 5,100,273 · App. 07/725,408
Expansion fastening system with quick lock and release
Inventor:
Eustathios Vassiliou
Patented Case
View Patent ↗
Granted: Mar 31, 1992
Filed: Jul 2, 1991
Inventor
Eustathios Vassiliou
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.