Granted Patent
Utility
US 6,368,394 · App. 09/420,266
Chromate-free phosphate bonding composition
Inventors:
John E. Hughes, Mark F. Mosser, Kevin B. Eddinger, Ronald E. Myers
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Oct 18, 1999
Inventors
John E. Hughes
Mark F. Mosser
Kevin B. Eddinger
Ronald E. Myers
Assignee (at issue)
Sermatech International, 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.