Granted Patent
Utility
US 4,453,354 · App. 06/305,194
Pipe support coupling and method of using same
Inventor:
Gerold J. Harbeke
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Sep 24, 1981
Inventor
Gerold J. Harbeke
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.