4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Richard Ronald Hall

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Apparatus and method for compensating for distortion of a...

Photocopying – Projection printing and copying cameras – Distortion introducing or rectifying
Reexamination Certificate

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Dimensional compensating vacuum fixture

Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Reexamination Certificate

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Dimensional compensating vacuum fixture

Work holders – With fluid means – Vacuum-type holding means
Reexamination Certificate

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Method and apparatus for forming a tubular article having a perf

Etching a substrate: processes – Forming or treating cylindrical or tubular article having...
Patent

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Method and system of distortion compensation in a projection...

Photocopying – Projection printing and copying cameras – Focus or magnification control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-500702

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