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| Patents for William Campbell | |||||
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| Number | Date | Patentee | Title | Type | |
| 9,823X | Jul. 01, 1836 | W. Campbell | Awl handle | scribes | |
| 8,019 | Apr. 01, 1851 | W. Campbell, H. Gross | Improvement in Machines for Cutting Screws on Bedstead-Rails | wood threading machines | |
| 130,278 | Aug. 06, 1872 | W. Campbell | Improvement in Pipe-Tongs | pipe tongs | |
| D21,253 | Dec. 22, 1891 | E. Rogers | Design for an Ax | axes | |
| 1,148,365 | Jul. 27, 1915 | J. Duval | Speed Drill | geared braces | |