Granted Patent
Utility
US 5,650,109 · App. 08/535,811
Method of making reinforcing structural rebar
Inventors:
Mark A. Kaiser, Sean Walsh, Nelson H. Douglass
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Sep 28, 1995
Inventors
Mark A. Kaiser
Sean Walsh
Nelson H. Douglass
Assignees (at issue)
Reichhold Chemicals, Inc.
Marshall Industries Composites, 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.