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| Patents for George H. Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 351,024 | Oct. 19, 1886 | J.W. Devero | Blacksmith's Shears | metal shearing machines | |
| 2,243,379 | May 27, 1941 | G.H. Johnson | Machine Tool | balancing machinery | |
| 2,331,695 | Oct. 12, 1943 | G.H. Johnson | Transmission and Control Mechanism | metal lathes | |