| All Patents in class 33/830 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 438,504 | Oct. 14, 1890 | S.A. Stupakoff | Micrometer Gage | micrometers |
| 536,676 | Apr. 02, 1895 | M. Wilcox | Micrometer Caliper | micrometers |
| 620,337 | Feb. 28, 1899 | G.J. Lavigne | Micrometer Gage | micrometers |
| 1,269,932 | Jun. 18, 1918 | A.G. Hix | Combination Inside and Outside Micrometer Calipers | micrometers |
| 1,667,562 | Apr. 24, 1928 | F. Neubauer | Micrometer | micrometers |
| 4,553,330 | Nov. 19, 1985 | Y. Karahashi, M. Yamauchi | Micrometer | micrometers |
| 6,115,934 | Sep. 12, 2000 | T. Fujimitsu, T. Mishima, C. Hamano, K. Nakata, H. Sato | Micrometer, Method for Manufacturing Cylindrical Component for Micrometer | micrometers |
| 6,519,867 | Feb. 18, 2003 | A. Saeki | Measuring Device | measurement gauges |
