4. Amusement devices: games
  5. Puzzles
  6. Take-aparts and put-togethers

Daniel B. Mitchell

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Electric arc welding

Electric heating – Metal heating – By arc
Patent

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Golf club, and improvement process

Amusement devices: games – Puzzles – Take-aparts and put-togethers
Patent

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Method and apparatus for coating a curved surface

Optical: systems and elements – Light interference – Produced by coating or lamina
Reexamination Certificate

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Optical reference, and a method of using same

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Reexamination Certificate

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Profile ID: LFUS-PAI-P-819673

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