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Well-Drill Wrench

Description: Patent for a wrench for drill pipes used in drilling wells. Illustrations included.
Date: February 18, 1913
Creator: Osborne, William Rush & Lebus, George Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Saw-Handle.

Description: Patent for improvements in saw-handles. Invention provides for adjustable and detachable means for clamping of a saw blade. The device includes a "head member, means for clamping the end of a saw blade" (lines 19-20).
Date: February 18, 1919
Creator: Smith, Lee A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Seed-Planter.

Description: Patent for new improvements in seed-planters that will drop one seed at a time at different spacings, improve the force-feed operation, adapt to different kinds or sizes of seed, cover and pack the soil, and create a simpler and more efficient machine, including illustrations.
Date: February 18, 1902
Creator: Ledbetter, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Saw-Sharpening Machine.

Description: Patent for improvements in "that class of saw-sharpening machines in which straight-edge-filing devices reciprocally movable are provided and in which ratchet mechanism for feeding the saw is also included" (lines 8-12) including illustrations.
Date: February 18, 1902
Creator: Phelps, Ruben P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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