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Patent for a transmission gearing that prevents the gears from slipping loose.

Date: March 14, 1911

Creator: Blevins, Samuel W.

Partner: UNT Libraries Government Documents Department

Patent for a washing machine that can be operated either standing or sitting.

Date: October 31, 1911

Creator: Mace, Tine H.

Partner: UNT Libraries Government Documents Department

Patent for a safety clamp that secures wagon seats in place.

Date: February 7, 1911

Creator: Gammon, William Willey

Partner: UNT Libraries Government Documents Department

Patent for a crude oil burner for stoves or heaters. Illustrations included.

Date: January 3, 1911

Creator: Risley, Carolile

Partner: UNT Libraries Government Documents Department