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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
Ox-Yoke. (open access)

Ox-Yoke.

Patent for a new ox yoke design to reduce wear of the yoke, including illustrations.
Date: January 3, 1888
Creator: Herren, William Willison
System: The Portal to Texas History