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Extensible Ladder.

Description: Patent for a new and useful Extensible Ladder. The improved Extensible Ladder is comprised of a ladder on each side of the structure, extendable platform, and guard rails.
Date: July 9, 1912
Creator: Putman, Lewis S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Neck-Yoke or Tongue Attachment

Description: Patent for a neck-yoke or tongue attachment. It is adapted for use with any "type of breast-bar, neck-yoke, or tongue and pole equipped vehicles" (lines 12-14).
Date: March 12, 1912
Creator: Davis, James B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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