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4 Matching Results
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Cattle Guard
Patent for a cattle guard that will turn horses, cattle, mules, etc.
Date:
December 3, 1901
Creator:
Arnold, Eliphalet Lester
System:
The Portal to Texas History
Improvement in Sewing-Machine Thread-Guards.
Patent for "a guard attachment to the Wheeler & Wilson sewing-machine for preventing the thread from being thrown off the tension by the work, and for preventing the thread from running off the spool onto the spindle." (Lines 6-11) Includes instructions and illustrations.
Date:
December 21, 1875
Creator:
Roosevelt, Lillian
System:
The Portal to Texas History
Pencil Attachment
Patent for device that continuously applies mucilage to the penil without rendering it sticky.
Date:
December 26, 1916
Creator:
Elliott, Claud B.
System:
The Portal to Texas History
Pipe Wrench or Clamp
Patent for a pipe wrench or clamp. Illustration included.
Date:
December 15, 1903
Creator:
Hutchins, Charles N.
System:
The Portal to Texas History