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Wrench.

Description: Patent for wrench related device "for locking the gripping element after it is applied to the pipe or other pipe (lines 14-15)" including instructions and illustration.
Date: October 19, 1915
Creator: Black, Lee J.
Partner: UNT Libraries Government Documents Department

Traction-Wheel

Description: Patent for a traction wheel with a removable gripping surface which will prevent the wheel from slipping on roads or slick surfaces.
Date: January 19, 1915
Creator: Biela, Valentine
Partner: UNT Libraries Government Documents Department

Switch-Stand.

Description: Patent for a switch stand that automatically switches to danger when unlocked and has independently rotating switch operating spindles and target spindles.
Date: October 19, 1915
Creator: Praetorius, Richard P.
Partner: UNT Libraries Government Documents Department

Pen and Pencil Holder.

Description: Patent for "new and useful improvements in pen and pencil holders" (line 7-8).
Date: January 19, 1915
Creator: Seabaugh, Emma
Partner: UNT Libraries Government Documents Department

Gearing

Description: Patent for improved manual washing machine gearing.
Date: October 19, 1915
Creator: McNeil, H. W.
Partner: UNT Libraries Government Documents Department
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