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Patent for a vulcanizing device for use on tires.

Date: December 26, 1911

Creator: Robbins, James M. & Crew, John F.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for a two cylinder steam engine.

Date: September 5, 1911

Creator: Putman, Lewis S.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for a railway tie that has a stronger attachment to the rails than other models.

Date: December 26, 1911

Creator: Wade, James T.

Item Type: Patent

Partner: UNT Libraries Government Documents Department