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| Patents for John Greenwood | |||||
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| Number | Date | Patentee | Title | Type | |
| 600,146 | Mar. 08, 1898 | J. Greenwood | Stave-jointer | barrel making machines | |
| 611,475 | Sep. 27, 1898 | J. Greenwood | Lubricator | industrial machine pulleys and belt drive mechanisms | |