Granted Patent
Utility
US 6,010,667 · App. 08/597,146
Shaft reactor for treating bulk material
Inventors:
Markus Meyer, Camille Borer, Bernd Kuehnemund, Martin Mueller
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Feb 6, 1996
Inventors
Markus Meyer
Camille Borer
Bernd Kuehnemund
Martin Mueller
Assignee (at issue)
Buehler 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.