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in creator/contributor: "Snowden, Rene Ravenel"  
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Door-Stop.

Description: Patent for a door stop, which is made of metal and attaches easily to the door.
Date: March 16, 1909
Creator: Snowden, Rene Ravenel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dry Separator

Description: Patent for a separator for mills designed to separate valuable material from extraneous material. Illustrations included.
Date: September 28, 1909
Creator: Snowden, Rene Ravenel
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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