Granted Patent
Utility
US 5,968,246 · App. 09/036,331
Stabilized composition for treatment of metal surfaces
Inventors:
Gregory J. Pomrink, Brenda S. Morris
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Mar 6, 1998
Inventors
Gregory J. Pomrink
Brenda S. Morris
Assignee (at issue)
Betzdearborn, 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.