| All Patents in class 33/808 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 396,479 | Jan. 22, 1889 | T. Green | Calipers & Dividers | calipers |
| 498,813 | Jun. 06, 1893 | F.W. Parsons | Micrometer Calipers | micrometers |
| 877,846 | Jan. 28, 1908 | G. Koffskey | Micrometer attachment for Measuring Tools | depth micrometers |
| 890,590 | Jun. 16, 1908 | A.L. Anderson | Interior Micrometer | inside micrometers |
| 1,170,384 | Feb. 01, 1916 | O.C. Zerck | Calipers | calipers |
| 1,219,149 | Mar. 13, 1917 | F.B. Puglisi | Rotary Vernier Calipers | indicating calipers |
| 1,221,668 | Apr. 03, 1917 | E. Brunton | Measuring Instrument | indicating calipers |
| 1,226,337 | May 15, 1917 | P. Lackner | Universal Micrometer | indicating calipers |
| 1,266,493 | May 14, 1918 | P. Lackner | Universal Micrometer | micrometers |
| 1,303,747 | May 13, 1919 | C.E. Walton | Dividers | dividers |
