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| Patents for Ray L. Swift | |||||
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| Number | Date | Patentee | Title | Type | |
| 908,462 | Jan. 05, 1909 | J.P. Hedstrom | Oscillating mechanism for lap-grinding machines | making handsaws | |
| 953,692 | Apr. 05, 1910 | J.P. Hedstrom | Retoothing-machine | tool making machines | |
| 984,669 | Feb. 21, 1911 | J.P. Hedstrom | Feed-finger for saw-sharpening machines | saw sharpening machines | |