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| All Patents in class 403/351 | |||||
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| Number | Date | Patentee | Title | Type | |
| 220,215 | Oct. 07, 1879 | E.W. Blackhall | Pulley Fastener | industrial machine pulleys and belt drive mechanisms | |
| 306,690 | Oct. 14, 1884 | R.D. Johnson | Bit-stock (chuck) | ||
| 390,583 | Oct. 02, 1888 | F.E. Frey | Shaft and Pulley Coupling | industrial machine pulleys and belt drive mechanisms | |
| 873,626 | Dec. 10, 1907 | J.A. Adell, L.S. Starrett | Spindle-lock for Micrometer Gage | micrometers | |
| 4,070,058 | Jan. 24, 1978 | A.A. Muehling | Infinite position seat back recliner | ||