Granted Patent
Utility
US 5,735,335 · App. 08/501,511
Investment casting molds and cores
Inventors:
James Randall Gilmore, Lawrence J. Rhoades
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Jul 11, 1995
Inventors
James Randall Gilmore
Lawrence J. Rhoades
Assignee (at issue)
Extrude Hone GmbH
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.