Mark Identification

THE POWER OF INDEPENDENCE

Serial Number

76110666

Filing Date

Aug 16, 2000

Registration Date

Jul 29, 2003

Trademark by

PROTON ENERGY SYSTEMS INC.

Classification Information

Hydrogen gas filters and compressors

Machinery

Hydrogen generators and replacement parts therefor; electrochemical cell stacks; hydrogen storage systems, namely comprised of hydrogen storage tanks, compressor, pressure regulators, gauges and valves, and replacement parts therefor

Electrical and Scientific Apparatus