Granted Patent
Utility
US 4,771,820 · App. 07/126,440
Strip casting apparatus and method
Inventors:
Robert S. Williams, Donald F Baker
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Nov 30, 1987
Inventors
Robert S. Williams
Donald F Baker
Assignee (at issue)
Westinghouse Electric Company LLC
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.