134 THE SCIENTIFIC AMERICAN. TUE SALE OF INVENTIONS--THE INCHOATE RIGHTS OF INVENTORS TO EXTENSIONS OF THEIR PATENTS. such a right to distinguish it as a subject of sale metals where heat cannot be employed., 1860-08-25
134 THE SCIENTIFIC AMERICAN. TUE SALE OF INVENTIONS--THE INCHOATE RIGHTS OF INVENTORS TO EXTENSIONS OF THEIR PATENTS. such a right to distinguish it as a subject of sale metals where heat cannot be employed., 1860-08-25
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