| All Patents in class 33/800 |
Patents 1 -
15
of 19
      |
| Number | Date | Patentee | Title | Type |
| 187,052 | Feb. 06, 1877 | F.J. Seybold | Gages | measurement gauges |
| 466,986 | Jan. 12, 1892 | G.C. Van Roden | Calipers for Bracelets | calipers |
| 558,417 | Apr. 14, 1896 | E.G. Paull | Sheet Metal gage | special purpose gauges |
| 634,968 | Oct. 17, 1899 | G.M. Van Valkeburg | Caliper Gage | calipers |
| 654,370 | Jul. 24, 1900 | O.J. Wahrer | Calipers | calipers |
| 993,084 | May 23, 1911 | P.J. Linnahan | Micrometer Indicator | indicating calipers |
| 1,194,182 | Aug. 08, 1916 | L. Kaplan | Direct-Reading Indicator Calipers | calipers |
| 1,267,964 | May 28, 1918 | T.E. Bisson | Calipers | calipers |
| 1,295,327 | Feb. 25, 1919 | L. Kaplan | Direct-Reading Indicator Calipers | calipers |
| 1,317,708 | Oct. 07, 1919 | L. Kaplan | Calipers | indicating calipers |
| 1,334,955 | Mar. 30, 1920 | F.G. Sjökvist, C.E. Johansson | Indicating Device for Measuring Apparatus and Measuring Tools | indicating calipers |
| 1,384,710 | Jul. 12, 1921 | E. Morell | Sheet Counter | paper gages |
| 1,385,910 | Jul. 26, 1921 | G.H. Fox | Graduated Calipers | indicating calipers |
| 1,410,123 | Mar. 21, 1922 | W. Renfrew | Jeweler's Calipers | calipers |
| 1,422,746 | Jul. 11, 1922 | K.W. Couse | Keyway Locator | center finders |
