Granted Patent
Utility
US 4,846,865 · App. 07/168,205
Clad precious metal bushing and method for making
Inventor:
Jay W. Hinze
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Mar 15, 1986
Inventor
Jay W. Hinze
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.