Granted Patent
Utility
US 5,360,198 · App. 07/782,526
Valve for clean chemical reactor
Inventors:
Franklyn J. Amorese, Morris E. Gruver, III
Patented Case
View Patent ↗
Granted: Nov 1, 1994
Filed: Oct 24, 1991
Inventors
Franklyn J. Amorese
Morris E. Gruver, III
Assignee (at issue)
PFAUDLER GMBH
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.