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Patents for Albert E. Johnson | |||||
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Number | Title | Classification(s) | |||
3,287 | Machine for cross-sawing timber, firewood, etc. | 83/754, 83/779 | |||
3,776 | Machine for boring timber | 408/95 | |||
67,313 | Improved Shave for Boots and Shoes | 30/169, 30/281 |