Granted Patent
Utility
US 5,647,426 · App. 08/486,662
Method and apparatus for controlled directional solidification of a wheel casting
Inventors:
Romulo A. Prieto, Daniel C. Wei, Bor-Liang Chen
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Jun 7, 1995
Inventors
Romulo A. Prieto
Daniel C. Wei
Bor-Liang Chen
Assignee (at issue)
Hayes Wheels International, 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.