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Cooling Device
Patent for a refrigerator for dairy products. Illustrations included.
Date:
October 24, 1911
Creator:
Burkhalter, Milo W.
System:
The Portal to Texas History
Chicken-Coop.
Patent for improvements in coops for fowls and other birds by using a combination of a cage with a door having a depending leg, a post and a lever for raising and lowering the cage; the cage door is “automatically opened when lowered and closed as it is raised,” (lines 75-76) "so that the young will be out of danger from attacks of rodents, collecting water, &c...," (lines 22-23) includes illustration.
Date:
March 24, 1891
Creator:
Harp, Charles A.
System:
The Portal to Texas History
Railway Cross-Tie.
Patent for a railway cross-tie with concrete and metal parts, which is adjustable to different gages.
Date:
November 24, 1908
Creator:
Drane, Frank N. & Drane, Hugh A.
System:
The Portal to Texas History