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Patents for Henry B. Lothrop | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 389,139 | Sep. 04, 1888 | A.C. Dumontier | Knife for planing machines | |
![]() | 441,603 | Nov. 25, 1890 | S. Tideman | Die and Die Stock | |
![]() | 461,587 | Oct. 20, 1891 | C.H. Norton | Stand for Grinding and Polishing Wheels |