States
Counties
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
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.
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.
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