Granted Patent
Utility
US 4,702,891 · App. 06/730,253
Fluid flow distribution system for fluidized bed reactor
Inventors:
Allen Li, Richard M. Eccles
Patented Case
View Patent ↗
Granted: Oct 27, 1987
Filed: May 3, 1985
Inventors
Allen Li
Richard M. Eccles
Assignee (at issue)
HRI
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.