APRIL I 18931 TO INVENTORS INDEX OF INVENTIONS United States were Granted !larch 21 1893 Ladder Store service H. fresh Lamp cooking LWoildkow Dixon 408912 Canadian Patents may now be obtained by the In ventors for any of the inventions named in the fore going list provided they aresimple. eta cost of $40 each. If complicated the cost will be a little more. For full instructions address Munn & Co. 861 Broadway New, scientific american, 1893-04-01
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