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Before the Hon. Philip F. Thomas, commissioner of patents : In the matter of the application of Elias Howe, Jr., for an extension of his patent for sewing machines, dated September 10th, 1846
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In The Matter of The Application of Elias Howe Jr. For The Extension of Letters Patent of the United States Granted To Him September 10th 1846 For Improvements In Sewing Machines : Argument On the part of George B. Sloat and of Williams & Orvis opponents of such extension
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