Closer for Cans and the Like. (open access)

Closer for Cans and the Like.

Patent for an efficient, easy-open-and-close top for various types of cans which are used frequently.
Date: May 28, 1912
Creator: Perkins, William Hunter
System: The Portal to Texas History
Process of Purifying Flour During The Manufacture Thereof (open access)

Process of Purifying Flour During The Manufacture Thereof

Patent for a mechanism related to the purifying of flour during manufacturing.
Date: September 21, 1915
Creator: Smith, George Thomas
System: The Portal to Texas History