Air-Brake Coupling (open access)

Air-Brake Coupling

Patent for an air brake coupling for use on trains that opens the air valves when the coupling is attached.
Date: June 20, 1911
Creator: Winton, Robert A.
System: The Portal to Texas History
Advertising Exhibitor and Phonographic Annunciator (open access)

Advertising Exhibitor and Phonographic Annunciator

Patent for an advertising exhibitor and phonographic annunciator that shows changing advertisements and has a recording reading them out.
Date: July 25, 1911
Creator: Stafford, George A.
System: The Portal to Texas History
Cotton-Picker's Sack (open access)

Cotton-Picker's Sack

Patent for a sack for cotton pickers. Illustrations included.
Date: July 11, 1911
Creator: Kendall, Ernest L.
System: The Portal to Texas History
Poultry Feeding and Watering Device (open access)

Poultry Feeding and Watering Device

Patent for "new and useful poultry feeding and watering device" (lines 5-7), including illustration and instructions.
Date: May 6, 1911
Creator: Wilson, W. C.
System: The Portal to Texas History
Oil Burner (open access)

Oil Burner

Patent for an oil burner. Illustration included.
Date: March 28, 1911
Creator: Kendall, Ernest L.
System: The Portal to Texas History
Cultivator Attachment (open access)

Cultivator Attachment

Patent for a cultivator attachment designed to aid in the plowing of soil. Illustrations included.
Date: March 7, 1911
Creator: Parmer, George W. & Miller, John W.
System: The Portal to Texas History