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4 Matching Results
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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
Improvement in Pruning Implements.
Patent for "an improved implement for trimming hedges and for cutting and laying down hedges" (lines 8-10) with instructions and illustrations.
Date:
November 18, 1879
Creator:
Booker, David
System:
The Portal to Texas History
Permutation-Lock.
Patent for a permutation or combination lock for mail boxes.
Date:
February 18, 1908
Creator:
Maxfield, James Robert
System:
The Portal to Texas History