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in creator/contributor: "Cobb, Albert C."  
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Mail Delivery Apparatus

Description: Patent for improvements to mail delivery through sorting and distribution to different destinations with illustrations.
Date: December 16, 1919
Creator: Cobb, Albert C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Centrifugal Brake Mechanism

Description: Patent for a centrifugal break mechanism, primarily designed as an automatic brake device for elevators travelling at an abnormal speed.
Date: April 16, 1918
Creator: Cobb, Albert C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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