Resource Type
Counties
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Millstone-Dress.
Patent for millstone dress using mill stone.
Date:
July 20, 1858
Creator:
Loy, George W.
System:
The Portal to Texas History
Switch Lock for Motor Vehicles.
Patent for "certain new and useful improvements in Switch-Locks for motor vehicles", including instructions and illustrations.
Date:
February 20, 1917
Creator:
Frank, Gustav
System:
The Portal to Texas History