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in creator/contributor: "Spilman, A. F."  
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Pump or Motor.

Description: Patent for pump which converts to motor. Pump, compressor doubles as a motor when rotation operation is reversed.
Date: April 27, 1915
Creator: Reaugh, Frank
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump or Motor

Description: Patent for "certain improvements in that type of mechanism adapted for use in propelling or compressing fluids or in deriving power from the energy of a moving of expanding fluid...a type of device adapted for use as a pump a motor, a compressor or an engine..." (lines 8-14) including instructions and illustrations.
Date: June 23, 1914
Creator: Reaugh, Frank
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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