Granted Patent
Utility
US 4,526,583 · App. 06/521,454
Powdered carpet treating compositions
Inventor:
Anthony J. Gioffre
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: Aug 8, 1983
Inventor
Anthony J. Gioffre
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.