Granted Patent
Utility
US 4,313,286 · App. 06/094,928
Pipe support coupling and method of using same
Inventor:
Gerold J. Harbeke
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Nov 16, 1979
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.