Granted Patent
Utility
US 4,485,131 · App. 06/472,310
Alkaline aqueous coating solution and process
Inventors:
Richard G. Adams, Kurt Goltz, Frederick J. Spaeth
Patented Case
View Patent ↗
Granted: Nov 27, 1984
Filed: Mar 4, 1983
Inventors
Richard G. Adams
Kurt Goltz
Frederick J. Spaeth
Assignee (at issue)
Pennwalt Corporation
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.