| All Patents in class 33/636 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
| | 314,544 | Mar. 24, 1885 | J.A. Rothwell | Gage for Lathes |
 | 625,707 | May 23, 1899 | S.J. Shimer | Bit-gage for cutter-heads |
 | 1,421,073 | Jun. 27, 1922 | L.R. Senn, G.T. Furness | Tool Adjusting Micrometer |
 | 1,678,030 | Jul. 24, 1928 | H.J. Yount | Micrometer Caliper |
| | 1,935,511 | Nov. 14, 1933 | J.M. Luers | Tool Gauge |
| | 1,988,378 | Jan. 15, 1935 | A.I. Dunn | Boring Head and Gauge for Cylinder Reboring Machines |
| | 3,447,245 | Jun. 03, 1969 | W.B. Holdridge | Method for Cutting Radii on Workpiece |
| | 3,518,769 | Jul. 07, 1970 | E.P. Bullard, IV, E.P. Bullard, III | Preset Tooling |
 | 6,510,620 | Jan. 28, 2003 | R.G. Bender | Tool and method for the precision boring of holes |
