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| Patents for John H. Dorman | |||||
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| Number | Title | Classification(s) | |||
| 577,104 | Card or envelop holder for type-writers | 400/535, 400/636 | |||
| 763,165 | Paper-carriage for type-writing machines | 400/623, 400/636 | |||
| 943,009 | Tapping and drilling tool | 408/234 | |||
| 1,338,682 | Jack | 254/95 | |||