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4 Matching Results
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Nut-Lock.
Patent for a nut lock for railroad joints, which keeps the nuts in place in the tracks.
Date:
July 23, 1907
Creator:
Vuncannon, Thomas Peter
System:
The Portal to Texas History
Ignition System for Internal-Combustion Engines.
Patent for Ignition System for Internal-Combustion Engines. "This invention relates to ignition systems for internal combustion engines and comprehends the provision of a dual ignition system for multiple cylinder engines with which either battery or magneto current may be used and having only two coils, one with a vibrator for the magneto current and one without a vibrator for the battery current." (line - 2)
Date:
April 23, 1918
Creator:
Richards, Harvey B.
System:
The Portal to Texas History
Tank
Patent for a tank that filters.
Date:
January 23, 1917
Creator:
Gartrell, Clifford E.
System:
The Portal to Texas History
Cotton Seed Planter
Patent for a cotton seed planter. Illustration included.
Date:
May 23, 1911
Creator:
McGuire, Daniel Harry
System:
The Portal to Texas History