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All Patents in class 33/657 | |||||
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Number | Date | Patentee | Title | Type | |
1,342,992 | Jun. 08, 1920 | W.H. Field, Jr. | Measuring instrument | cutterhead machine accessories | |
1,593,190 | Jul. 20, 1926 | T.S. Fitchett, E.A. Metz | Set-up bar for slotting and chasing machines | ||
2,660,798 | Dec. 01, 1953 | J.E. Delaney | Dial Indicator Gauge |