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Road Service and Preservative
Patent for improved surface, repairs, and preservation of roads.
Date:
April 8, 1913
Creator:
Wardell, Henry R.
System:
The Portal to Texas History
Needle for Graphophones and the Like.
Patent for a gramophone needle that produces better sound due to allowing for vibrations and can be used longer by producing a a sharpened point on one side while playing that can be used the next time by turning over the needle.
Date:
April 9, 1907
Creator:
Petmecky, Fred
System:
The Portal to Texas History
Mold for Typographical Casting-Machines.
Patent for a mold for typographical casting machines which may be altered to produce slugs of different sizes.
Date:
April 7, 1914
Creator:
Diaz, Pascual M.
System:
The Portal to Texas History