Granted Patent
Utility
US 6,508,447 · App. 09/016,495
Reinforcement bar support system
Inventors:
Mario J. Catani, David A. Niday
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Jan 30, 1998
Inventors
Mario J. Catani
David A. Niday
Assignee (at issue)
Dur-O-Wal, 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.