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Insect Destroyer

Description: Patent for an insect destroyer. This invention is designed to destroy boll weevils by using blowers and agitators that send the boll weevils to receptacles filled with liquid. Illustration included.
Date: July 7, 1908
Creator: Vickers, John J.
Item Type: Refine your search to only Patent

Marine Propeller

Description: Patent for a marine propeller which allows for "a reversal of the action of the wheel for propulsion in opposite directions or for turning the boat without changing the direction of rotation of the power-shaft."
Date: March 11, 1902
Creator: Cannon, Burrell
Item Type: Refine your search to only Patent
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