Blittkowski, Gustav Adolph, and Hoffman, Frederick William

Name Street Town State From To
Blittkowski, Gustav Adolph, and Hoffman, Frederick William   New York City New York 1856 1857


Patent Date Remarks
14,488 March 25, 1856 Improvement in Needle-Guns, joined patent of G.A. Blittkowski and F. W. Hoffmann
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14,710 April 22, 1856 Improvement in Revolving Fire-Arms, joined patent of G.A. Blittkowski and F. W. Hoffmann
view patent
17,136 April 28, 1857 Improvement in Fire-Arms
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Non production was made or is known