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US Patent: 188,133
Bolt and Rivet Cutter
John Hellwig - McGregor, IA

USPTO Classifications:
30/191, 30/271, 81/348

Tool Categories:
industrial tools : bolt cutters


Helwig Mfg. Co. - St. Paul, MN

Robt. E. Miller
Otto Hufeland
T. O. Jones
Ch. H. Quigley

Patent Dates:
Applied: Oct. 11, 1876
Granted: Mar. 06, 1877

Patent Pictures: [ 1 | 2 ]
John Hellwig patent March 6, 1877
USPTO pdf tiff
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Side plates hold the pivots for the lever handles, and cutting jaws. The connection between the cutter jaws and lever handles is described as "ball and socket."

This patent and a Jan. 13, 1891 patent date (i.e. pat. no. 444,635) are shown in the illustration for the HELWIG BOLT & RIVET CUTTER offered to the trade by the HELWIG MFG. CO. of St. Paul, Minn. in 1895.

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