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Suction-Fan or Blower.
Patent for a suction fan or blower to partially clean material that passes through, including illustrations
Date:
July 20, 1915
Creator:
Dickerson, Eustice E.
System:
The Portal to Texas History
Electric Fly-Trap.
Patent for improvement to fly traps. The improved fly trap electrocutes flies and other flying insects as they enter the trap. In the trap, there is a lamp that attracts flying insects.
Date:
November 20, 1917
Creator:
Bass, William A.
System:
The Portal to Texas History