Granted Patent
Utility
US 4,433,984 · App. 06/299,587
Low residence time solid-gas separation device and system
Inventors:
Robert J. Gartside, Herman N. Woebcke
Patented Case
View Patent ↗
Granted: Feb 28, 1984
Filed: Sep 4, 1981
Inventors
Robert J. Gartside
Herman N. Woebcke
Assignee (at issue)
Stone & Webster Engineering Corp.
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.