Granted Patent
Utility
US 5,791,425 · App. 08/482,616
Control loop for transportation vehicles
Inventors:
Dean Kamen, Robert R. Ambrogi, Robert J. Duggan, Richard Kurt Heinzmann, Brian R. Key, Susan D. Dastous
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Jun 7, 1995
Inventors
Dean Kamen
Robert R. Ambrogi
Robert J. Duggan
Richard Kurt Heinzmann
Brian R. Key
Susan D. Dastous
Assignee (at issue)
DEKA PRODUCTS LIMITED PARTNERSHIP
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.