4. Mineral oils: processes and products
  5. Asphalts, tars, pitches and resins; making, treating and...

John P. Shannon

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Air spray gun type coating device

Fluid sprinkling – spraying – and diffusing – Including supplemental gas shaping or shielding jet – Plural sets of gas jet orifices
Patent

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Asphalt coking method

Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and...
Patent

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Clock spring crack arrestor

Pipes and tubular conduits – Reinforced
Patent

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Curb frame for mounting of accessories in a skylight window

Building units and construction elements – Prefabricated unit – Finishing unit
Patent

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Damper valve having an adjustable seat

Valves and valve actuation – Rotary valves – Butterfly
Patent

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Profile ID: LFUS-PAI-P-625943

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