Granted Patent
Utility
US 6,205,964 · App. 09/364,399
Damping device for movable masses, preferably for electromagnetic systems
Inventors:
Dieter Maisch, Dieter Tischer, Alfred Trzmiel
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Jul 30, 1999
Inventors
Dieter Maisch
Dieter Tischer
Alfred Trzmiel
Assignee (at issue)
Hydraulik-Ring 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.