Granted Patent
Utility
US 6,631,679 · App. 10/071,541
Printing plate material with electrocoated layer
Inventors:
David S. Bennett, Sallie L. Blake, Robert E. Bombalski, Kenneth A. Bowman, Joseph D. Guthrie, Thomas L. Levendusky, Daniel L. Serafin, Jean Ann Skiles
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: Feb 8, 2002
Inventors
David S. Bennett
Sallie L. Blake
Robert E. Bombalski
Kenneth A. Bowman
Joseph D. Guthrie
Thomas L. Levendusky
Daniel L. Serafin
Jean Ann Skiles
Assignee (at issue)
ALCOA 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.