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| Patents for John Webster | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,298X | May 01, 1810 | J. Webster | Boring machines | ||
| 6,734X | Aug. 26, 1831 | J. Webster, E. Skinner | Vertical lathe mill | metal lathes | |
| 7,597X | May 28, 1833 | E. Skinner, J. Webster | Composition paint stone | paint grinding mills | |
| 211,259 | Jan. 07, 1879 | J.A. Robbins | Improvement in planing-saws | sawblades | |
| 211,346 | Jan. 14, 1879 | J.A. Robbins, I.C. Bumpus | Improvement in saws | sawblades | |