Granted Patent
Utility
US 5,729,941 · App. 08/629,549
Protective cover for concrete reinforcing bar
Inventors:
Vasken Kassardjian, Patrick J. Wilson
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Apr 9, 1996
Inventors
Vasken Kassardjian
Patrick J. Wilson
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.