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| All Patents in class 242/397 | |||||
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| Number | Date | Patentee | Title | Type | |
| 233,358 | Oct. 19, 1880 | H.H. Leistner, C.E. Leistner | Tape-measure | tape measures | |
| 2,157,024 | May 02, 1939 | G. Smith | Gauge Line Wiper | ||
| 2,497,471 | Feb. 14, 1950 | N.H. Shillman | Tape Construction | tape measures | |