| All Patents in class 33/501.6 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 2,081,738 | May 25, 1937 | R.E. Conover | Sizing Device | grinding machines |
| 2,083,759 | Jun. 15, 1937 | J.C. Temple | Mechanism for Sizing | grinding machines |
| 2,216,795 | Oct. 08, 1940 | W.F. Aller | Measuring Instrument | measurement gauges |
| 2,412,421 | Dec. 10, 1946 | W.F. Aller, L.F. Polk | Gauging Device | measurement gauges |
| 2,477,085 | Jul. 26, 1949 | F. Rieber | Frequency Controlled Micrometer | micrometers |
| 2,924,018 | Feb. 09, 1960 | J.H. Straw, R.A. Mahlmeister | Gaging Device | measurement gauges |
| 3,142,121 | Jul. 28, 1964 | B. Stefanov | Micrometer | micrometers |
| 3,197,873 | Aug. 03, 1965 | W.F. Aller | Gaging Device | measurement gauges |
| 3,681,582 | Aug. 01, 1972 | N. Keiichi, K. Kimio | Automatic Sizing Device with Linear Scale | measurement gauges |
