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Grate Bar
Patent for a grate bar.Illustration included.
Date:
October 18, 1910
Creator:
Wilderspin, Anderson & Earnest, David C.
System:
The Portal to Texas History
Hen's Nest.
Patent for an automatic gate or door for a hen's nest enclosure that will swing shut to keep out intruders when a hen enters and open when the hen leaves.
Date:
January 18, 1916
Creator:
Buie, Daniel C.
System:
The Portal to Texas History