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in subjects: "Patents -- Texas."  
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Aeroplane.

Description: Patent for aeroplane construction to include improvements to air motor protection to minimize resistance and the use of air cups to direct the full force of air to the motor shaft, including illustrations.
Date: November 15, 1921
Creator: Smith, Joseph A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Broom.

Description: Patent for a broom that has replaceable straw sections.
Date: June 7, 1921
Creator: Blasingame, Frank P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ointment.

Description: Patent for a general external application ointment made of chloride of zinc, powdered metallic cobalt, blood root, and glycerine.
Date: April 4, 1922
Creator: Mullins, Ervin L. & Collier, William R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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