Granted Patent
Utility
US 4,842,762 · App. 07/119,866
Laundry soil and stain remover in applicator stick form
Inventors:
John Sabol, Wayne A. Kester
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Nov 13, 1987
Inventors
John Sabol
Wayne A. Kester
Assignee (at issue)
THE DOW CHEMICAL COMPANY
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.