Granted Patent
Utility
US 5,582,799 · App. 08/411,432
Closure for clean chemical reactor
Inventors:
Franklyn J. Amorese, Morris E. Gruver, III
Patented Case
View Patent ↗
Granted: Dec 10, 1996
Filed: Mar 27, 1995
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.