Granted Patent
Utility
US 4,836,897 · App. 07/239,565
Baths and process for electroplating hard,adherent,smooth, wear resistant and corrosion resistant chromium deposits
Inventors:
William C. Korbach, John A. Corsentino, Allen R. Jones, John E. McCaskie
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Sep 1, 1988
Inventors
William C. Korbach
John A. Corsentino
Allen R. Jones
John E. McCaskie
Assignee (at issue)
M&T Chemicals, 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.