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
Portable Sawmill. (open access)

Portable Sawmill.

Patent for a portable sawmill, which can be put on an ordinary wagon and pulled out to where timber is being cut.
Date: March 15, 1910
Creator: Bryan, Gordon
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
Bale Forming Apparatus (open access)

Bale Forming Apparatus

Patent for a bale forming apparatus. This invention is designed as an improvement to existing bale-forming apparatus.
Date: August 4, 1903
Creator: Anderson, William E.; Dyer, Frank L. & Workum, Julius F.
System: The Portal to Texas History
Fruit Squeezer. (open access)

Fruit Squeezer.

Patent for a new and improved fruit juicer. This design consists "[i]n a fruit-squeezer having flat or nearly flat pressing-surfaces, the combination of jaws having lever-handles integral therewith, and face-plates held in transverse dovetail seats in the faces of the respective jaws by means of clamping-screws, and supported therein by central set-screws" (lines 89-95).
Date: June 26, 1883
Creator: Stein, Philip H. & Tams, James
System: The Portal to Texas History