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Clock-Actuated Display Apparatus.
Patent for a clock actuated display apparatus comprising a casing, a spring-pressed rotatable reel, and display tape adapted to wind which will cause the drum to rotate.
Date:
November 20, 1917
Creator:
Shure, Ralph Deane
System:
The Portal to Texas History
Hog-Yoke.
Patent for a hog yoke, which prevents hogs from crawling under fences and rooting up their pen.
Date:
November 8, 1910
Creator:
McCarroll, William R.
System:
The Portal to Texas History