| All Patents in class 33/642 |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 188,756 | Mar. 27, 1877 | F.A. Rich | Gaging & Centering Tool | special purpose gauges |
| 191,586 | Jun. 05, 1877 | A. Hatch | Indicator for Truing Work in Lathe | measurement gauges |
| 272,107 | Feb. 13, 1883 | L.H. Wattles | Device for Centralizing | test indicators |
| 505,870 | Oct. 03, 1893 | F.R. Young | Truing Up Indicator | test indicators |
| 520,201 | May 22, 1894 | J. Bath | Micrometer Indicator | test indicators |
| 526,960 | Oct. 02, 1894 | J. Bath | Micrometer Indicator | test indicators |
| 587,930 | Aug. 10, 1897 | F. Coffin | Indicator for Lathes or Planers | dial indicator gauges |
| 617,501 | Jan. 10, 1899 | C.P. Fay | Center Indicator | measurement gauges |
| 773,425 | Oct. 25, 1904 | A.E. Babin, G.G. Riggs | Lathe Test Indicator | test indicators |
| 799,533 | Sep. 12, 1905 | C.D. Clark | Micrometer Height Gage | height gages |
| 811,244 | Jan. 30, 1906 | G.E. Peterson | Indicator for Lathes | measurement gauges |
| 825,911 | Jul. 17, 1906 | H. Koch | Test Indicator | test indicators |
| 826,971 | Jul. 24, 1906 | B.F. Stowell | Truing-up Indicator | measurement gauges |
| 827,453 | Jul. 31, 1906 | W.O. Woodman, J.C. Leach | Micrometer Gage | micrometers |
| 904,007 | Nov. 17, 1908 | C.P. O'Neill | Precision Tool | metal lathe accessories and attachments |
