Granted Patent
Utility
US 5,943,836 · App. 09/150,338
Protective cover for concrete reinforcing bar
Inventor:
Vasken Kassardjian
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Sep 10, 1998
Inventor
Vasken Kassardjian
Assignee (at issue)
Don De Cristo Concrete Accessories, Inc.
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.