Granted Patent
Utility
US 4,560,269 · App. 06/561,551
Cell for mixing operations and for optical examination
Inventors:
Karl Baldszun, Thomas Grazianski, Gunther Kuhn
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Dec 14, 1983
Inventors
Karl Baldszun
Thomas Grazianski
Gunther Kuhn
Assignee (at issue)
Eppendorf Geratebau Netheler & Hinz 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.