Granted Patent
Utility
US 5,971,091 · App. 08/384,705
Transportation vehicles and methods
Inventors:
Dean Kamen, Robert R. Ambrogi, Robert J. Duggan, Richard Kurt Heinzmann, Brian R. Key, Andrzej Skoskiewicz, Phyllis K. Kristal
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Feb 3, 1995
Inventors
Dean Kamen
Robert R. Ambrogi
Robert J. Duggan
Richard Kurt Heinzmann
Brian R. Key
Andrzej Skoskiewicz
Phyllis K. Kristal
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.