Granted Patent
Utility
US 4,802,560 · App. 07/148,970
Combined wheel/brake apparatus using electro-rheological fluid
Inventors:
Dilip K. Bhadra, Richard L. Creedon, C. Ross Harder
Patented Case
View Patent ↗
Granted: Feb 7, 1989
Filed: Jan 27, 1988
Inventors
Dilip K. Bhadra
Richard L. Creedon
C. Ross Harder
Assignee (at issue)
General Atomics
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.