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| Patents for F. Gustav Wilhelm | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 517,990 | Apr. 10, 1894 | W.W. Trevor, F.N. Trevor | Machine for Barking Logs | |
![]() | CA-47,388 | Nov. 06, 1894 | G.A. Hosmer | Improvements in Carriage Wrenches | |