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in creator/contributor: "Bulla, Melbern Bernie"  
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Cab-Signal and Automatic Stop

Description: Patent for a cab-signal and automatic stop that "relates to railway safety appliances and has particular reference to signals carried preferably within the locomotive cab." (lines 9-12) includes instruction and illustrations.
Date: November 7, 1916
Creator: Bulla, Melbern Bernie
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Train-Stop.

Description: Patent for mechanism to automatically sound alarm and shut off steam when a train passes a danger point.
Date: December 21, 1915
Creator: Bulla, Melbern Bernie
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Contact-Shoe for Automatic Train-Stops.

Description: Patent for a new contact shoe, used in rail transport, attached to the train car to conduct automatic stops despite possible hazards through the use of magents and electricity, including illustrations .
Date: March 30, 1920
Creator: Bulla, Melbern Bernie
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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