Granted Patent
Utility
US 4,671,483 · App. 06/802,278
Concrete-form conduit holder
Inventor:
Gerold J. Harbeke
Patented Case
View Patent ↗
Granted: Jun 9, 1987
Filed: Nov 27, 1985
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.