Granted Patent
Utility
US 4,368,830 · App. 06/217,743
Locking means for liquid dispensers
Inventor:
Edward K. Soughers
Patented Case
View Patent ↗
Granted: Jan 18, 1983
Filed: Dec 18, 1980
Inventor
Edward K. Soughers
Assignee (at issue)
Diamond International 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.