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| Patents for W. R. Keyworth | |||||
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| Number | Date | Patentee | Title | Type | |
| 243,895 | Jul. 05, 1881 | A.E. Hill | Hog Ringing Implement | hog ring | |
| 252,300 | Jan. 10, 1882 | J.W. Womelsdorff | Ratchet Wrench | ratchet wrenches | |
| 302,842 | Jul. 29, 1884 | S.H. Heginbottom, W.H. Hayton, R.C. Hayton | Improved Serrated Pipe-Gripping Jaw | pipe jaw attachments for wrenches | |