Granted Patent
Utility
US 4,584,033 · App. 06/749,782
Method of quenching
Inventors:
Ronald Harding, Paul L. Matlock
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Jun 28, 1985
Inventors
Ronald Harding
Paul L. Matlock
Assignee (at issue)
Union Carbide Corporation
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.