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Automatic Locking and Releasing Device for Mining-Cars
Patent for an automatic locking and releasing device for mining carts and cages. Illustrations included.
Date:
June 15, 1909
Creator:
Stroope, Joseph H.
System:
The Portal to Texas History
Bracket
Patent for a shelf bracket which can support a shelf with only one bracket.
Date:
April 27, 1909
Creator:
Cockrum, George R.
System:
The Portal to Texas History