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Automatic Fire and Burglar Alarm.

Description: Patent for automatic fire and burglar alarm. A cord extends from the casing of the alarm mechanism to a window. The alarm is triggered either by weight of a window opening or the cord is burned by fire.
Date: March 5, 1918
Creator: Mann, Oscar O. & Whitley, William H.
Item Type: Refine your search to only Patent

Boll-Weevil Exterminator.

Description: Patent for Boll-Weevil Exterminator. Aims to provide a novel and improved apparatus for gathering the boll weevil and squares by air suction to catch insects and pests.
Date: February 5, 1918
Creator: Harrison, James H.; Hall, Samuel E. & Gholson, John M.
Item Type: Refine your search to only Patent
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