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Unique Mobility, Inc. Receives Patent for Electric Motor with Internal Brake

1 December 1999

Unique Mobility, Inc. Receives Patent for Electric Motor with Internal Brake

    GOLDEN, Colo., Dec. 1 -- Unique Mobility Inc. (Amex: UQM)
announced today that it received United States Patent Number (5982063) for its
"Electric Motor with Internal Brake."  This is an additional patent specific
to brake packaging in gearless-brushless direct drive motors produced by
Unique Mobility.  An additional patent on the gearless-brushless direct drive
motor design is pending.  The co-inventors of the patented design are Jon
Lutz, Unique's Manager of Motor Engineering and Kevin Lewis, Senior Engineer.
    Patent coverage includes a brake mechanism partially embedded within the
hollow rotor of a gearless-brushless direct drive motor that has no touching
parts, no gears, no grease and requires no ongoing maintenance.  The holding
brake, a requirement for electrically powered wheelchairs, is packaged inside
the motor which minimizes the length of the motor and the wheelbase of the
chair thereby allowing d spaces and through narrow
doorways.  Many other industrial or motion control applications requiring a
gearless integrated motor and brake can benefit from this design, since
overall size and part count are reduced and only one housing is required, an
important advantage in critical environments.
    William G. Rankin, Unique's President and Chief Executive Officer, said,
"This patent gives us additional coverage on our breakthrough power wheelchair
motor and is the sixth U.S. Patent to be granted to Unique Mobility.  These
motors achieve high torque without a gear reduction and have inherent
packaging, noise, maintenance, control and efficiency advantages.  These
advantages allow our production wheelchair motors to be used in a wide range
of applications."

    Unique Mobility, Inc. is a leading developer and manufacturer of power
dense, high efficiency motors, gear assemblies and electronic assemblies for
the automotive, aerospace, telecommunications, medical and industrial markets.
The Company's headquarters and engineering and product development center are
located in Golden, Colorado.  Manufacturing facilities are located in
Frederick, Colorado (electric motors and gear assemblies) and St. Charles,
Missouri (electronic assemblies and wire harnesses).

    This press release contains forward-looking statements that involve risks
and uncertainties.  Examples of forward-looking statements are statements of
the Company's expectations regarding future financial results and its ability
to further commercialize its technology and increase its manufacturing
activities.  These statements may differ materially from actual future events
or results.  Readers are referred to the Risk Factors section of the
Registration Statement on Form S-3 (File No. 333-78525) filed by the Company
with the SEC, which identifies important risk factors that could cause actual
results to differ from those contained in the forward-looking statements,
including the Company's ability to become profitable and its ability to obtain
additional financing, the Company's reliance on major customers and suppliers,
potential impacts from Year 2000 issues and the possibility that product
liability insurance may become unavailable.  These forward-looking statements
represent the Company's judgment as of the date of the press release.  The
Company disclaims, however, any intent or obligation to update these
forward-looking statements.