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in place name: "United States - Texas - Harris County - Houston"  
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Oxygen-Generator

Description: Patent for an oxygen generator that refills as it is emptied.
Date: February 7, 1911
Creator: Bradley, Richard Clinton
Partner: UNT Libraries Government Documents Department

Rotary Engine

Description: Patent for a rotary engine with a better flow of fluid to the casing.
Date: February 7, 1911
Creator: Nichols, Franklin Priestley
Partner: UNT Libraries Government Documents Department

Casing Mechanism

Description: Patent for a casing mechanism for placing in oil wells to block water flow.
Date: February 14, 1911
Creator: Stewart, John S.
Partner: UNT Libraries Government Documents Department

Combined Filtering and Heating Device

Description: Patent for a combined filtering and heating device for water that is attached to a dentist chair.
Date: February 21, 1911
Creator: Gambati, Olympio F.
Partner: UNT Libraries Government Documents Department

Combined Heater and Filter

Description: Patent for a combined heater and filter. This invention is used in a dentists office to regulate the water supply for at the dentists chair. Illustration included.
Date: February 21, 1911
Creator: Gambati, Olympio F.
Partner: UNT Libraries Government Documents Department
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