Granted Patent
Utility
US 6,280,663 · App. 09/514,219
Process of making pins for connecting carbon electrodes
Inventors:
Richard L. Shao, James Kortovich, Irwin C. Lewis, Richard T. Lewis
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Feb 25, 2000
Inventors
Richard L. Shao
James Kortovich
Irwin C. Lewis
Richard T. Lewis
Assignee (at issue)
UCAR Carbon Company 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.