Resource Type
Counties
4 Matching Results
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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
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
Drill-Bit
Patent for a drill bit for oil wells that provides a way for the bit to be lubricated while in use to prevent the adhesion of gummy substances.
Date:
June 4, 1918
Creator:
Kilgore, John G.
System:
The Portal to Texas History
Agricultural Implement.
Patent for an agricultural implement related to ground treating. The implement introduces a novel mounting for a colter that will keep it in line with the draft beam, as well as aids in holding the soil-turning elements in place.
Date:
November 4, 1913
Creator:
Vanderwater, Daniel B.
System:
The Portal to Texas History