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| All Patents in class 400/472 | |||||
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| Number | Date | Patentee | Title | Type | |
| 79,265 | Jun. 23, 1868 | S.W. Soule, C. Glidden, C.L. Sholes | Type Writing Machine | office worker | |
| 2,963,137 | Dec. 06, 1960 | F.F. Lee, H.P. Grossimon, A.K. Susskind, J.O. McDonough | Controls for a Typewriter and Associated Apparatus | nc and cnc apparatus | |