4. Amusement devices
  5. Illusion or stage device
  6. Stage apparatus or setting

John Leisner

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Engine driven welder with field current boost

Electric heating – Metal heating – By arc
Reexamination Certificate

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Engine driven welder with field current boost

Electric heating – Metal heating – By arc
Reexamination Certificate

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Film and live action theater

Amusement devices – Illusion or stage device – Stage apparatus or setting
Patent

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Ride attraction system for the physically disabled

Railways – Amusement
Patent

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Profile ID: LFUS-PAI-P-1511711

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