Utilizing Sulfur-Containing Petroleum (open access)

Utilizing Sulfur-Containing Petroleum

Patent for utilizing the sulfur content in petroleum obtained from oil. Illustrations included,
Date: February 20, 1912
Creator: Eggleston, John E.
System: The Portal to Texas History
Utilizing Sulfur-Containing Petroleum. (open access)

Utilizing Sulfur-Containing Petroleum.

Patent for a method of removing sulfur from Beaumont petroleum and converting it into sulfuric acid.
Date: February 20, 1912
Creator: Robinson, Clarence I.
System: The Portal to Texas History
Stylographic Fountain-Pen. (open access)

Stylographic Fountain-Pen.

Patent for stylographic fountain pens to improve them by allowing the "ink to flow freely from the point of the pen" (line 35) and allowing easy, pressurized ink refills.
Date: February 3, 1880
Creator: Fisher, Charles N. & Downes, Charles L.
System: The Portal to Texas History