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Combined Latch and Lock for Screen Doors, etc.
Patent for a combined latch and lock for screen doors and other uses. Illustration included.
Date:
February 5, 1912
Creator:
Hart, Joel T. & Hart, John D.
System:
The Portal to Texas History
Attachment for Windmills.
Patent for a windmill attachment that will increase the pumping capacity of windmills or other lifting pumps.
Date:
March 5, 1912
Creator:
Engle, Matthew H.
System:
The Portal to Texas History