Granted Patent
Utility
US 4,632,149 · App. 06/679,858
Rotary valve for interconnecting conduits
Inventors:
Anil R. Oroskar, George Mack
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Dec 10, 1984
Inventors
Anil R. Oroskar
George Mack
Assignee (at issue)
UOP LLC
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.