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| Patents for H. Hellyer | |||||
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| Number | Date | Patentee | Title | Type | |
| 576,454 | Feb. 02, 1897 | J.H. Jenner | Wrench | alligator wrenches | |
| 597,592 | Jan. 18, 1898 | J. Rosendahl | Combined Wrench and Nippers | ratchet wrenches | |