| All Patents in class 33/832 |
Patents 16 -
30
of 35
      |
| Number | Date | Patentee | Title | Type |
| 1,231,185 | Jun. 26, 1917 | F. Muller | Sine Bar | sine bars |
| 1,303,245 | May 13, 1919 | J. Boulet | Micrometer Indicator | test indicators |
| 1,307,816 | Jun. 24, 1919 | J.F. Garbin | Micrometer | micrometers |
| 1,364,534 | Jan. 04, 1921 | F.L. Walter | Gage | metal lathe accessories and attachments |
| 1,430,738 | Oct. 03, 1922 | C.W. Howland | Curve Measuring Instrument | radius gauges |
| 1,490,210 | Apr. 15, 1924 | Z. Hsieh | Meter | electrical measuring apparatus |
| 1,497,372 | Jun. 10, 1924 | J.A. Green | Dial Indicator | dial indicator gauges |
| 1,529,210 | Mar. 10, 1925 | J.W. Parker | Hook Rule | rule accessories |
| 1,530,067 | Mar. 17, 1925 | H.J. Young | Indicator for Gauges | gauges |
| 1,700,245 | Jan. 29, 1929 | E.J. Witchger | Hook Rule | rules |
| 2,224,281 | Dec. 10, 1940 | G.D. Webber | Measuring Instrument | measurement gauges |
| 2,307,323 | Jan. 05, 1943 | D. Laflamme | Measuring Instrument | measurement gauges |
| 2,346,578 | Apr. 11, 1944 | A.F. Haskins | Dial Indicator | measurement gauges |
| 2,400,440 | May 14, 1946 | H. Rudolph | Precision Measuring Instrument | measurement gauges |
| 2,527,173 | Oct. 24, 1950 | E.M. Boat | Shockproof Dial Indicator | |
