Granted Patent
Utility
US 5,114,632 · App. 07/608,123
Controlled casting of a shrinkable material
Inventor:
David S. Soane
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Nov 1, 1990
Inventor
David S. Soane
Assignee (at issue)
Soane Technologies, Inc.
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.