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4 Matching Results
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Improvement in Permutation Locks.
Patent for improvements to permutation locks by various means.
Date:
September 27, 1870
Creator:
Hall, William
System:
The Portal to Texas History
Improvement in Fire-Place Fenders.
Patent for "an extensible fender adapted for large or small fire-places" (lines 8-10) including instructions and illustrations.
Date:
February 27, 1872
Creator:
Hall, William N.
System:
The Portal to Texas History
Thill-Coupling.
Patent for a new and useful thill coupling for "locking the thill-iron to the attached thill in a raised position" (line 8 -9).
Date:
September 27, 1898
Creator:
James, Will S.
System:
The Portal to Texas History
Hog-Trough.
Patent for an improved and durable pig trough, one that stays clean and can be filled and eaten out of easily without wasting feed.
Date:
April 27, 1897
Creator:
Neill, George A.
System:
The Portal to Texas History