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Valve-Spring Lifter.

Description: Patent for valve spring lifter designed for use with internal combustion engines that holds the intake or exhaust valve springs in an elevated or rigid position. Illustrations included.
Date: June 18, 1918
Creator: Mountain, Thomas O.
Partner: UNT Libraries Government Documents Department

Plane Attachment.

Description: Patent for an attachment to be affixed to a hand plane to guard the hand from splinters while in use.
Date: June 25, 1918
Creator: Langford, Joseph O.
Partner: UNT Libraries Government Documents Department

Device for Closing Spouts of Cans.

Description: Patent for spout closing device that is made of parts that are simple and economical to manufacture.
Date: June 11, 1918
Creator: Coffin, Albert T.
Partner: UNT Libraries Government Documents Department

Adjustable Support.

Description: Patent for adjustable props or supports used in concrete construction or scaffolding, including illustrations.
Date: June 18, 1918
Creator: Ware, Howard T.
Partner: UNT Libraries Government Documents Department
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