Granted Patent
Utility
US 5,487,916 · App. 08/244,547
Method for coating particles in a spray-drying plant
Inventor:
Borge Holm Christensen
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Jul 14, 1994
Inventor
Borge Holm Christensen
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.