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Combined Scrubber And Mop.

Description: Patent for the combination of a scrubber, a mop, and a water receptacle to supply the cleansing liquid to the surface that is being cleaned and it provides a mechanism for wringing the mop.
Date: January 23, 1912
Creator: Lee, Bryant
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Partner: UNT Libraries Government Documents Department

Aeroplane

Description: Patent for an aeroplane. This invention does not use any mechanism to maintain the planes equilibrium. Illustration included.
Date: November 5, 1912
Creator: Goebel, Alois
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Partner: UNT Libraries Government Documents Department

Airship

Description: Patent for an airship that is equipped with gas bags to control the ascent and descent of the airship and make it float in case of landing in the water.
Date: June 11, 1912
Creator: Bradshaw, John F. W.
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Partner: UNT Libraries Government Documents Department

Air-Lift Pump

Description: Patent for an air lift pump. Illustrations included.
Date: July 30, 1912
Creator: Holmgreen, Julius H. & Underwood, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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