Granted Patent
Utility
US 4,690,896 · App. 06/696,533
Device for the determination of micro-organisms
Inventors:
Gerhard Brusewitz, Reinhard Sieck
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Jan 30, 1985
Inventors
Gerhard Brusewitz
Reinhard Sieck
Assignee (at issue)
MADAUS GMBH
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.