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All Patents in class 242/580 | |||||
Number | Date | Patentee | Title | Type | |
387,541 | Aug. 07, 1888 | J. Roe | Reel for tape measures, fishing-lines, & c. | tape measures | |
2,518,414 | Aug. 08, 1950 | E.J. Witchger | Demountable adjusting means for machine gauges |