UNT Libraries Government Documents Department - 6 Matching Results

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Ditching-Plow.

Patent for a ditching plow for use in digging shallow ditches.

Date: March 26, 1912

Creator: Bruening, Theodore F.

Item Type: Patent

Mail-Handling Apparatus

Patent for a mail handling apparatus for storing and delivering mail to trains that is on an automated timer with the train schedule.

Date: June 4, 1912

Creator: Mainer, William L.

Item Type: Patent

Mail-Receiving Apparatus

Patent for a mail receiving apparatus for use with trains that automatically removes mailbags from the train.

Date: June 4, 1912

Creator: Mainer, William L.

Item Type: Patent

Parachute and the Like

Patent for a parachute. Illustrations included.

Date: July 23, 1912

Creator: Compton, Bessie W.

Item Type: Patent

Saw Set

Patent for a saw set. This invention is designed to align cutting teeth in a uniform length. Illustration included.

Date: December 17, 1912

Creator: Devini, John H.

Item Type: Patent

Patent for "a wrench in which the ratchet is inclosed, so that none of its parts will be exposed to the action of dust" (lines 16-18), provides ample lubrication, and ease of inspection. Includes instructions and illustrations.

Date: June 2, 1912

Creator: Sherman, Lothrop C.

Item Type: Patent

UNT Libraries Government Documents Department - 6 Matching Results

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Ditching-Plow.

Mail-Handling Apparatus

Mail-Receiving Apparatus

Parachute and the Like

Saw Set

Wrench.