THE HELMET COPTER tm
WORDS SMALLEST HELICOPTER
gas turbine turboprop jet engine power powered coax coaxial counter contra rotating personal manned passenger vtol ultralight microlight rotorcraft aircraft helicopter strap-on
work in progress
THE SNOW CARVER tm
two 2 stroke cycle gas powered motorized snowboard snowboards snow board boards
US 6,698,540
active and retired
THE SNOW SURFER tm
two 2 stroke cycle gas powered motorized snowboard snowboards snow board boards
US 8,844,664
active and retired