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Cultivator.
Patent for improvements to sled cultivators.
Date:
September 25, 1917
Creator:
Howard, Quinton S.
System:
The Portal to Texas History
Flash-Eliminator.
Patent for flash eliminators for machine guns that will "eliminate the flash which is co-incident with the firing of fire arms at night which allows location of a position weapon by the enemy." (lines 14-17)
Date:
September 7, 1920
Creator:
Moyers, Oscar C.
System:
The Portal to Texas History