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| Patents for Richard Chapman | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-186,502,931 | Nov. 14, 1865 | J. Tangye, R. Chapman, T.A. Weston | Improvements in apparatus for raising, lowering, moving, or transporting heavy bodies | block and tackles | |
| 160,471 | Mar. 02, 1875 | J.J. Robinson | Improvement in Stair-Builders' Rules | measuring rods | |