Granted Patent
Utility
US 5,282,708 · App. 08/014,461
Self-tapping screw-type masonry anchor
Inventor:
Louis N. Giannuzzi
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Feb 5, 1993
Inventor
Louis N. Giannuzzi
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.