Granted Patent
Utility
US 5,201,361 · App. 07/685,800
Continuous casting in mold having heated end walls
Inventors:
John W. Grove, Frank Kowalczyk
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Apr 16, 1991
Inventors
John W. Grove
Frank Kowalczyk
Assignee (at issue)
Acutus Mold 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.