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| Patents for Herbert S. Robinson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | CA-41,581 | Jan. 14, 1893 | A. Boehmer | Wrench | |
 | 490,502 | Jan. 24, 1893 | H. Robinson | Attachment for mortising-machines | |
 | 497,138 | May 09, 1893 | E.B. Smith | Wrench | |
 | 507,742 | Oct. 31, 1893 | J. Luscher | Adjustable mitering-machine | |
 | 510,182 | Dec. 05, 1893 | H. Martini | Pipe Wrench | |