4. Rotary kinetic fluid motors or pumps
  5. With passage in blade, vane, shaft or rotary distributor...

Robert D. Lawrence

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Heating apparatus for a welding operation and method therefor

Electric heating – Metal heating – By arc
Reexamination Certificate

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Heating apparatus for a welding operation and method therefor

Electric heating – Metal heating – By arc
Reexamination Certificate

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Slide viewer and sorter

Photography and optical equipment – Projector or viewer – Integrated unit
Design Patent

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Welding method and assembly therefor

Rotary kinetic fluid motors or pumps – With passage in blade – vane – shaft or rotary distributor...
Patent

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Profile ID: LFUS-PAI-P-383226

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