4. Photocopying
  5. Contact printing
  6. Light boxes

Thomas L. DiGravio

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Cryogenic machining of soft/ductile materials

Turning – Process of turning
Patent

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Development apparatus having a spincast roll assembly

Photocopying – Contact printing – Light boxes
Patent

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Donor rolls and methods of making donor rolls

Electrophotography – Image formation – Development
Reexamination Certificate

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Grinding wheel with geometrical pattern

Abrading – Abrading process – Ring – tube – bushing – sleeve – or cylinder abrading
Patent

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Grinding wheel with geometrical pattern

Abrading – Abrading process – Ring – tube – bushing – sleeve – or cylinder abrading
Reexamination Certificate

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Profile ID: LFUS-PAI-P-367779

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