| All Patents in class 33/642 |
Patents 1 -
10
of 21
      |
| Picture | Number | Date | Patentee | Title |
 | 188,756 | Mar. 27, 1877 | F.A. Rich | Gaging & Centering Tool |
 | 191,586 | Jun. 05, 1877 | A. Hatch | Indicator for Truing Work in Lathe |
| | 272,107 | Feb. 13, 1883 | L.H. Wattles | Device for Centralizing |
| | 505,870 | Oct. 03, 1893 | F.R. Young | Truing Up Indicator |
 | 520,201 | May 22, 1894 | J. Bath | Micrometer Indicator |
 | 526,960 | Oct. 02, 1894 | J. Bath | Micrometer Indicator |
| | 587,930 | Aug. 10, 1897 | F. Coffin | Indicator for Lathes or Planers |
 | 617,501 | Jan. 10, 1899 | C.P. Fay | Center Indicator |
 | 773,425 | Oct. 25, 1904 | A.E. Babin, G.G. Riggs | Lathe Test Indicator |
 | 799,533 | Sep. 12, 1905 | C.D. Clark | Micrometer Height Gage |
