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| Patents for John P. Gates | |||||
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| Number | Date | Patentee | Title | Type | |
| 913,852 | Mar. 02, 1909 | J.P. Gates, H.B. Ross | Feeding device for jointers | jointers | |
| 931,223 | Aug. 17, 1909 | H.B. Ross, J.P. Gates, B.D. Stevens | Feeding mechanism for saw | woodworking machine stockfeeding mechanisms | |