Granted Patent
Utility
US 5,820,705 · App. 08/556,893
Spray quenching of metal with liquid coolant containing dissolved gas
Inventors:
Ho Yu, Jeffrey A. Nicol, Daniel E. Hunter, Robert A. Ramser
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Oct 30, 1995
Inventors
Ho Yu
Jeffrey A. Nicol
Daniel E. Hunter
Robert A. Ramser
Assignee (at issue)
Aluminum Company of America
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.