Granted Patent
Utility
US 6,216,763 · App. 09/166,638
Cast node and method for casting nodes
Inventors:
Phillip C. Ruehl, Stephen L. Kretschmer
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Oct 5, 1998
Inventors
Phillip C. Ruehl
Stephen L. Kretschmer
Assignee (at issue)
R. J. Tower 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.