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| Patents for B. G. Foster | |||||
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| Number | Date | Patentee | Title | Type | |
| 658,618 | Sep. 25, 1900 | F.A. Chellis | Wrench | ratchet wrenches | |
| 722,665 | Mar. 17, 1903 | M. Barber | Wrench | quick adjust wrenches | |
| 754,069 | Mar. 08, 1904 | W.R. Johnson | Thresher-Cylinder Nut Wrench | cylinder tooth wrenches | |
| 824,821 | Jul. 03, 1906 | E.L. Roberts, G.W. Roberts | Attachment for Combination Square | measurement gauges | |
| 837,869 | Dec. 04, 1906 | A.L. Myers | Combination Butt Gage and Chisel | firmer chisels | |