Granted Patent
Utility
US 4,598,754 · App. 06/635,951
Method of controlling metallurgical structure of cast aluminum
Inventors:
Chia M. Yen, Gerald S. Cole, Roman M. Nowicki
Patented Case
View Patent ↗
Granted: Jul 8, 1986
Filed: Jul 30, 1984
Inventors
Chia M. Yen
Gerald S. Cole
Roman M. Nowicki
Assignee (at issue)
Ford Motor Company
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.