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6 Matching Results
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Improvement in Medical Compounds.
Patent for a purgative medical compound consisting of a variety of plant materials.
Date:
October 7, 1873
Creator:
Barnett, Joel P.
System:
The Portal to Texas History
Improvement in Pessaries.
Patent for an improved uterine supporter with changes to the arrangement of the wings, with illustrations and instructions.
Date:
October 31, 1876
Creator:
Barnett, Jonathan P.
System:
The Portal to Texas History
Mechanism for Overcoming Dead-Centers.
Patent for a new and useful improvement in mechanism for overcoming dead centers, including instructions and illustrations.
Date:
October 11, 1898
Creator:
Johnson, Willie H.
System:
The Portal to Texas History
Improved Apparatus for Heating Water and Condensing Steam.
Patent for improvement in apparatus for heating water, other liquids, and condensing steam.
Date:
October 1, 1867
Creator:
Phalen, Henry J.
System:
The Portal to Texas History
Book
Patent for a book with margin numbering which allows for page numbers to be visible with one glance, including illustrations.
Date:
October 1, 1901
Creator:
Rhodes, Samuel E.
System:
The Portal to Texas History
Spike-Puller.
Patent for a spike remover that firmly grips the spike being removed.
Date:
October 22, 1907
Creator:
Webb, James A.
System:
The Portal to Texas History