Granted Patent
Utility
US 4,491,019 · App. 06/450,217
Detection of dynamic unbalances of centrifuges
Inventors:
Gerhard Wicki, Rolf Naff
Patented Case
View Patent ↗
Granted: Jan 1, 1985
Filed: Dec 16, 1982
Inventors
Gerhard Wicki
Rolf Naff
Assignee (at issue)
Kontron Holding A.G.
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.