Granted Patent
Utility
US 4,348,292 · App. 06/197,918
Multi-layered liquid detergent-builder concentrate compositions which on addition to water produce stable cleaning solutions
Inventor:
Martin E. Ginn
Patented Case
View Patent ↗
Granted: Sep 7, 1982
Filed: Oct 17, 1980
Inventor
Martin E. Ginn
Assignee (at issue)
Walton-March 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.