UNT Libraries Government Documents Department - 4 Matching Results

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Patent for a storage battery with a high number of amps.

Date: June 13, 1911

Creator: Lawrence, Arthur Ewin

Patent for a type cabinet for storing dating type.

Date: July 4, 1911

Creator: Chapman, Mercer E.

Patent for a water cooling device in refrigerators and iceboxes that provides drinking water from the ice compartment.

Date: July 18, 1911

Creator: Boyer, Robert Y. & Caldwell, James P.

Patent for a wrench that can also be used as a pipe. Illustrations included.

Date: February 21, 1911

Creator: Green, Eugene