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Insect Destroyer.

Description: Patent for a new and improved insect destroyer. This design consists "[i]n a poison-sprinkling machine, the combination, with the wheels mounted on stub-axles, with vertically-adjustable rotary sifters in the rear operated by the wheels, of an arched frame connected to said axles, said frame having thills secured thereto, and an arched yoke having its ends bent outward to form neck-yokes and secured to the outer ends of said thills, and draft-arms secured to the sides of said thills" (lines 59-… more
Date: January 24, 1888
Creator: Rives, John T.
Item Type: Refine your search to only Patent

Valve.

Description: Patent for improvement in valves, by means of assuring a tight operating stem. The stem is comprised of two movable sections incorporated into a design purposed to prevent leakage by the stem. Additional mentions include acknowledged awareness of susceptibility to change and modification, convenience and facility, and simplicity as related to cost.
Date: December 24, 1918
Creator: Pratt, Robert L.
Item Type: Refine your search to only Patent

Rural Mail Box.

Description: Patent for improvements to rural mail boxes with divided interior compartments for incoming and outgoing mail. Mail box design includes flag to signal to recipients and postman of incoming and outgoing items. Additionally the design features interior and exterior doors that can be secured with a padlock to prevent mail from being stolen or tampered with, and to shield from various weather conditions.
Date: October 24, 1922
Creator: Dooley, Will Henry
Item Type: Refine your search to only Patent
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