Texas Patents - 3 Matching Results

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Improvement in Piano-Forte Actions.

Description: Patent for a new piano forte design which "consists in certain novel details of construction, arrangement, and combination of the key-lever and its fulcrum and rest, a receiving-lever, a transmitting-eccentric, a secondary hammer, a principal hammer and its rest, and a damper-action and its connections, whereby greater simplicity and efficiency are obtained" (lines 10-17) including illustrations.
Date: May 27, 1879
Creator: Roedern, George O. V.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sewing-Machine.

Description: Patent for a sewing machine "which will cut or trim the edges of two pieces of cloth during the time that said edges are being stitched together by the needle" (lines 15-18) with instructions and illustrations.
Date: May 13, 1913
Creator: Singer, William W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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