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Patent for a powerful motor for wind mills.

Date: February 18, 1919

Creator: Connolly, James H.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for improvements in motor vehicle differentials by connecting axle sections to a worm gear.

Date: February 11, 1919

Creator: Brown, Charles Henry

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for a new type of flying machine.

Date: February 18, 1919

Creator: Critchett, J. C.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for a type of air heater designed to be attached to an internal combustion engine for the purposes of regulating heat.

Date: February 18, 1919

Creator: Brooks, Howard

Item Type: Patent

Partner: UNT Libraries Government Documents Department