Granted Patent
Utility
US 5,538,556 · App. 08/411,489
Apparatus for galvanizing linear materials
Inventors:
Kalyan K. Maitra, Daniel G. McInerney, Carl H. Unger
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Mar 28, 1995
Inventors
Kalyan K. Maitra
Daniel G. McInerney
Carl H. Unger
Assignee (at issue)
ALLIED TUBE & CONDUIT 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.