Granted Patent
Utility
US 5,851,481 · App. 08/863,828
Rebar with vanadium alloy
Inventors:
John C. Stankus, Frank Calandra, Jr., Michael Cokus, Ray W. Goetz
Patented Case
View Patent ↗
Granted: Dec 22, 1998
Filed: May 27, 1997
Inventors
John C. Stankus
Frank Calandra, Jr.
Michael Cokus
Ray W. Goetz
Assignee (at issue)
Jennmar Corporation
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.