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Patents for H. H. Blanchard | |||||
Number | Date | Patentee | Title | Type | |
601,947 | Apr. 05, 1898 | G.N. Clemson | The Star Hack Saw | hacksaws | |
603,128 | Apr. 26, 1898 | G.N. Clemson | The Star Hack Saw | hacksaws |