Granted Patent
Utility
US 4,592,855 · App. 06/672,350
Effervescent compositions
Inventors:
Anthony J. Gioffre, Ronald J. Ross
Patented Case
View Patent ↗
Granted: Jun 3, 1986
Filed: Nov 16, 1984
Inventors
Anthony J. Gioffre
Ronald J. Ross
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.