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Patents for Hillstrom Machine Co. | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 679,748 | Aug. 06, 1901 | J.E. Hillstrom | Saw-filing machine | |
![]() | 709,013 | Sep. 16, 1902 | J.E. Hillstrom | Saw-setting machine | |
956,350 | Apr. 26, 1910 | J.E. Hillstrom | Scraper-sharpener |