4. Geometrical instruments
  5. Gauge
  6. Collocating

Richard Hoffman

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Automatic screen registration device and method therefor

Geometrical instruments – Gauge – Collocating
Patent

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Detachable scraper attachment for a flood bar

Printing – Stenciling – Traveling-inker machines
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Ink recovery device

Printing – Stenciling – Traveling-inker machines
Patent

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Multi-belt dryer

Drying and gas or vapor contact with solids – Apparatus – Houses – kilns – and containers
Patent

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Process for making pure salicylic acid

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
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Profile ID: LFUS-PAI-P-539471

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