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Book Type-Writer.
Patent for certain new and useful improvements in book type writers, including instructions and illustrations.
Date:
July 4, 1899
Creator:
Johnson, Jahu W.
System:
The Portal to Texas History
Pump-Operating Mechanism
Patent for a mechanical pump operating mechanism that increases capacity.
Date:
July 4, 1911
Creator:
Linnartz, Hugo
System:
The Portal to Texas History
Device for Heating and Applying Coating Material
Patent for a device for heating and applying coating materials, and more particularly for applying asphalt to surfaces, which it is desirable to coat therewith.
Date:
July 4, 1916
Creator:
Seale, Elbert E.
System:
The Portal to Texas History