Granted Patent
Utility
US 4,690,480 · App. 06/780,536
Tubular bi-metal connector
Inventors:
Wayne Snow, Gaston R. Isliker, Colin A. Johnson
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Sep 26, 1985
Inventors
Wayne Snow
Gaston R. Isliker
Colin A. Johnson
Assignee (at issue)
ALLIED CONSULTING, 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.