Granted Patent
Utility
US 4,585,530 · App. 06/764,273
Process for forming adherent chromium electrodeposits from high energy efficient bath on ferrous metal substrates
Inventors:
Warren H. McMullen, Hyman Chessin, Allen R. Jones
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Aug 9, 1985
Inventors
Warren H. McMullen
Hyman Chessin
Allen R. Jones
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.