Granted Patent
Utility
US 5,699,995 · App. 08/615,078
Pivoting valve assembly
Inventor:
Walter Dennis Robertson, III
Patented Case
View Patent ↗
Granted: Dec 23, 1997
Filed: Mar 13, 1996
Inventor
Walter Dennis Robertson, III
Assignee (at issue)
Emerson Electric Co.
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.