Granted Patent
Utility
US 4,226,367 · App. 05/968,639
Squeeze bottle dispenser
Inventor:
Thomas H. Hayes
Patented Case
View Patent ↗
Granted: Oct 7, 1980
Filed: Dec 11, 1978
Inventor
Thomas H. Hayes
Assignee (at issue)
Ethyl 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.