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| Patents for W. R. Marble | |||||
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| Number | Date | Patentee | Title | Type | |
| 211,346 | Jan. 14, 1879 | J.A. Robbins, I.C. Bumpus | Improvement in saws | sawblades | |
| 227,304 | May 04, 1880 | E.A. Robbins | Carriage-Wrench | axle nut wrenches | |
| 257,072 | Apr. 25, 1882 | E.A. Robbins | Carriage Wrench | axle nut wrenches | |
| 269,234 | Dec. 19, 1882 | E.A. Robbins | Pipe Wrench | pipe wrenches | |
| 300,127 | Jun. 10, 1884 | W.H. Ratcliff | Sliding Jaw Wrench | pipe jaw attachments for wrenches | |