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| Patents for Lawrence Heath | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 432,418 | Jul. 15, 1890 | L. Heath, A.J. Martin | Changeable-speed gearing | |
 | 710,271 | Sep. 30, 1902 | J.S. Heath, L. Heath, E. Baseman | Speed mechanism | |