Granted Patent
Utility
US 4,544,480 · App. 06/394,107
Low residence time solid-gas separation process
Inventors:
Robert J. Gartside, Herman N. Woebcke
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: Jul 1, 1982
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.