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| Patents for Richard W. Black | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 267,228 | Nov. 07, 1882 | B.F. Lancaster | Carriage Wrench | |
 | 282,462 | Jul. 31, 1883 | B.F. Lancaster | Ratchet Wrench | |
 | 325,942 | Sep. 08, 1885 | B.F. Lancaster | Wrench | |