| All Patents in class 33/502 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,768,931 | Jul. 01, 1930 | F.J. Pratt | Dial Indicator | measurement gauges |
| 2,443,895 | Jun. 22, 1948 | M.H. Arms, B.C. Day | Bevel gear holding fixture | grinders |
| 3,002,284 | Oct. 03, 1961 | J. Sunnen | Measuring Instrument | measurement gauges |
| 3,225,447 | Dec. 28, 1965 | I.E. Bryant | Micrometer measuring device having feelers | measurement gauges |
| 3,289,298 | Dec. 06, 1966 | R.D. Standridge | Calibration apparatus for surface plates | measuring tools |
| 4,327,495 | May 04, 1982 | R.A. Plante | Vane Airfoil Method and Apparatus | air vane flow apparatus |
| 8,266,810 | Sep. 18, 2012 | S.E. Gordon | System and method for quick and accurate tramming | alignment gages |
