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| Patents for C. E. Hoyle | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 405,259 | Jun. 18, 1889 | J.S. Henry | Pipe Wrench Attachment for Sliding-Jaw Wrench | |
![]() | 521,582 | Jun. 19, 1894 | F.E. Burgevin | Wrench | |
![]() | 556,151 | Mar. 10, 1896 | G.F. Johnson | Wrench | |