| All Patents in class 33/542 |
Patents 1 -
15
of 46
      |
| Number | Date | Patentee | Title | Type |
| 129,536 | Jul. 16, 1872 | W.C. Cross | Stem Calipers | measurement gauges |
| 350,768 | Oct. 12, 1886 | W.E. Pettengill | Inside Caliper | measurement gauges |
| 356,892 | Feb. 01, 1887 | J.B. Renshaw | Micrometer Depth Gage | micrometer depth gauges |
| 386,469 | Jul. 24, 1888 | H. Howard | Machinist's Measuring Tool | measurement gauges |
| 396,064 | Jan. 15, 1889 | J.A. Blair | Inside Calipers or Gage | measurement gauges |
| 438,851 | Oct. 21, 1890 | C.W. Malmquist | Micrometer Surface Gage | micrometer depth gauges |
| 526,105 | Sep. 18, 1894 | A.G. Hollister | Depth Gage | micrometer depth gauges |
| 598,927 | Feb. 15, 1898 | C.E. Hauer | Universal Indicator | test indicators |
| 610,021 | Aug. 30, 1898 | C.V. Bogart | Centering Gage | center marking gauges |
| 715,445 | Dec. 09, 1902 | I.A. White | Centering Gage | special purpose gauges |
| 825,648 | Jul. 10, 1906 | J.F. Haworth | Violin-Makers' Calipers | calipers |
| 893,532 | Jul. 14, 1908 | H. Mann, M. Morton | Scribing Mechanism | scribes |
| 919,455 | Apr. 27, 1909 | C.R. Pietsch | Micrometer Gage | inside micrometers |
| 934,692 | Sep. 21, 1909 | H.S. Plant | Micrometer Gage | inside micrometers |
| 966,773 | Aug. 09, 1910 | H. Sauter | Calipers | measurement gauges |
