Granted Patent
Utility
US 4,754,898 · App. 06/766,455
Multi-orifice dispensing closure
Inventors:
William J. Britt, Scott A. Silvenis
Patented Case
View Patent ↗
Granted: Jul 5, 1988
Filed: Aug 16, 1985
Inventors
William J. Britt
Scott A. Silvenis
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.