Resource Type
Counties
3 Matching Results
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Freezer
Patent for a portable freezer designed to freeze cream and milk. Illustration included.
Date:
December 28, 1909
Creator:
Milburn, William M.
System:
The Portal to Texas History
Electrode-Holder
Patent for "an electrode holder for the head lights of steam locomotives, interurban cars and analogous vehicles" (lines 11-13), including illustrations.
Date:
December 28, 1915
Creator:
Pratt, James R.
System:
The Portal to Texas History
Pedal-Operating Device for Pianos.
Patent for a device attaching to piano pedals "adapted for the use of children in order that they may operate the piano pedals while playing" (lines 11-13) that may be easily removed when not in use. Includes illustrations.
Date:
December 28, 1915
Creator:
Knight, Henry C.
System:
The Portal to Texas History