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US Patent: 204,736
Device For Marking Animals
Hugh W. Hill - Decatur, IL
Charles P. Housum - Decatur, IL

USPTO Classifications:
29/564, 40/300, 40/664, 606/117

Tool Categories:
pliers : hog ring


H. W. Hill and Company - Decatur, IL

John Bixby
Theo. Coleman

Patent Dates:
Applied: Feb. 15, 1878
Granted: Jun. 11, 1878

Patent Pictures:
Charles P. Housum and Hugh W. Hill patent June 11, 1878
USPTO pdf tiff
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The tool is designed to work with a pre-marked metal ear tag and corresponding ring. The punches on the handle side of the pivot are removable and are used to obliterate selected portions of the pre-stamped tags prior to their application.

The tag and wire ring have a separate patent -- no. 206,569 issued July 30, 1878.

Known example marked H.W. Hill & Co. MARKER. Housum was Hill's partner - see pat. no. 156,669. He retired in 1891; Hill sold the business to Decker Mfg. Co. of Keokuk, IA in 1894.

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