Granted Patent
Utility
US 5,462,687 · App. 08/162,060
Electroviscous fluid based on polyether acrylates as disperse phase
Inventors:
Wolfgang Podszun, Robert Bloodworth, Gunter Oppermann
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: Dec 7, 1993
Inventors
Wolfgang Podszun
Robert Bloodworth
Gunter Oppermann
Assignee (at issue)
Bayer Aktiengesellschaft
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.