Granted Patent
Utility
US 5,685,089 · App. 08/649,633
Process and apparatus for production of ceramic powders by spray drying
Inventors:
Jens Getler, Stuart Gibson, S.o slashed.ren Fredsted, Per Nielsen
Patented Case
View Patent ↗
Granted: Nov 11, 1997
Filed: May 23, 1996
Inventors
Jens Getler
Stuart Gibson
S.o slashed.ren Fredsted
Per Nielsen
Assignee (at issue)
APV Anhydro A/S
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.