Book Type-Writer. (open access)

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 (open access)

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 (open access)

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