6 Matching Results

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Ditching-Plow. (open access)

Ditching-Plow.

Patent for a ditching plow for use in digging shallow ditches.
Date: March 26, 1912
Creator: Bruening, Theodore F.
System: The Portal to Texas History
Mail-Handling Apparatus (open access)

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.
System: The Portal to Texas History
Mail-Receiving Apparatus (open access)

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.
System: The Portal to Texas History
Parachute and the Like (open access)

Parachute and the Like

Patent for a parachute. Illustrations included.
Date: July 23, 1912
Creator: Compton, Bessie W.
System: The Portal to Texas History
Saw Set (open access)

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.
System: The Portal to Texas History
Wrench. (open access)

Wrench.

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.
System: The Portal to Texas History