Granted Patent
Utility
US 5,353,517 · App. 08/078,372
Process of drying water-containing solids in a fluidized bed
Inventor:
Hans-Jurgen Weiss
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Jun 17, 1993
Inventor
Hans-Jurgen Weiss
Assignee (at issue)
Metallgesellschaft AG
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.