Granted Patent
Utility
US 5,074,040 · App. 07/577,765
Coated products for use in harsh environs
Inventors:
Donald L. Nisley, Randall H. Alvis
Patented Case
View Patent ↗
Granted: Dec 24, 1991
Filed: Sep 5, 1990
Inventors
Donald L. Nisley
Randall H. Alvis
Assignee (at issue)
Reliance Electric Industrial Company
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.