Granted Patent
Utility
US 4,237,739 · App. 06/016,471
Integral flow metering assembly using a segmental wedge
Inventors:
Raymond E. Owen, William B. Brosius, Jr.
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: Mar 1, 1979
Inventors
Raymond E. Owen
William B. Brosius, Jr.
Assignee (at issue)
Sybron 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.