Granted Patent
Utility
US 4,474,206 · App. 06/365,774
Apparatus for, and method of, controlling the flow of fluid
Inventor:
Raymond E. Cannon
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: Apr 5, 1982
Inventor
Raymond E. Cannon
Assignee (at issue)
Imed Inc
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.