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| Patents for David True | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 271,549 | Jan. 30, 1883 | D. True | Carriage Wrench | |
![]() | 279,993 | Jun. 26, 1883 | D. True | Carriage Wrench | |
![]() | 291,961 | Jan. 15, 1884 | D. True | Carriage Wrench | |
![]() | 292,186 | Jan. 22, 1884 | D. True | Carriage Wrench | |
![]() | 305,767 | Sep. 30, 1884 | D. True | Carriage-Wrench | |