4. Power plants
  5. Motor operated by expansion and/or contraction of a unit of...
  6. Unit of mass is a gas which is heated or cooled in one of a...

Walter G. Hecker

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Apparatus and methods for separating microelectronic...

Cutting – Processes – Cut advances across work surface
Reexamination Certificate

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Rotary heat engine

Power plants – Motor operated by expansion and/or contraction of a unit of... – Unit of mass is a gas which is heated or cooled in one of a...
Patent

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Profile ID: LFUS-PAI-P-955642

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