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in subjects: "churning"

Patent for Milk-Warmer that heats "milk with the purpose of souring the same in preparation of the milk for churning" (lines 10-12).

Date: September 10, 1918

Creator: Ault, Ella A.

Partner: UNT Libraries Government Documents Department

Design patent for a churn frame.

Date: May 16, 1899

Creator: O'Marrow, Mattie

Partner: UNT Libraries Government Documents Department

Patent for a butter churn with gentle agitation meant to keep butter cells from breaking including illustrations.

Date: October 2, 1900

Creator: McCausland, Joseph H.

Partner: UNT Libraries Government Documents Department

Patent for new improvements to a churn dash, including two concentric rings joined by inclined wings with accompanying illustrations.

Date: May 10, 1898

Creator: Renfro, John R., Jr.

Partner: UNT Libraries Government Documents Department