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3 Matching Results
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Steam Engine
Patent for improvements in steam engine, particularly the cylinder.
Date:
June 30, 1885
Creator:
Pinkham, Delmar D.
System:
The Portal to Texas History
Plow
Patent for invention new and useful improvement in Plows, relates the shape of the mold-board and the manner of securing the point and land side to the standard [5-15].
Date:
June 30, 1885
Creator:
Kelly, George A.
System:
The Portal to Texas History
Attachment for Harness.
Patent for a new and improved harness attachment. This design utilizes two disks, "one being notched in its thick or heavy edge and the other being notched in its thin or less weighty portion . . . thus effectively closing the space that would otherwise be left at the point of the hook, and preventing the ring . . . from becoming detached" (lines 55-63).
Date:
June 28, 1881
Creator:
Baton, Durham D.
System:
The Portal to Texas History