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| All Patents in class 33/797 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 26,716 | Jan. 03, 1860 | C.D. Sutton | Calipers | |
 | 299,383 | May 27, 1884 | J.S. Hand | Tailor's Measuring Device | |
 | 608,183 | Aug. 02, 1898 | G.W. Davis | Center Finding Register Calipers | |
 | 1,202,019 | Oct. 24, 1916 | J. Bath | Micrometer Calipers | |
 | 1,251,648 | Jan. 01, 1918 | R.J. Dunn | Calipers | |
 | 1,950,912 | Mar. 13, 1934 | E.A. Aronson | Gauge | |
 | 2,080,534 | May 18, 1937 | P.J. Darington, estate of (deceased) | Micrometer Caliper | |