Granted Patent
Utility
US 4,908,174 · App. 07/301,640
Molding of ceramic materials
Inventor:
Guenther Will
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Jan 25, 1989
Inventor
Guenther Will
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.