Granted Patent
Utility
US 4,562,097 · App. 06/556,573
Process of treating fabrics with foam
Inventors:
Andrew Tainter Walter, George M. Bryant, Ronald L. Readshaw
Patented Case
View Patent ↗
Granted: Dec 31, 1985
Filed: Nov 30, 1983
Inventors
Andrew Tainter Walter
George M. Bryant
Ronald L. Readshaw
Assignee (at issue)
Union Carbide 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.