| Patents for none listed |
Patents 1921 -
1935
of 3199
      |
| Number | Date | Patentee | Title | Type |
| 2,404,143 | Jul. 16, 1946 | R.E. Reason | Apparatus for Measuring or Indicating the Roughness or Undulations of Surfaces | measurement gauges |
| FR-911,841 | Jul. 22, 1946 | n. listed | Caliber For Checking Bores | bore gages |
| 2,404,561 | Jul. 23, 1946 | R.F. Bannow | Adapter with Swivel Joint | milling machines |
| 2,404,751 | Jul. 23, 1946 | E.H. Schmidt | Gauge | measurement gauges |
| GB-579,210 | Jul. 26, 1946 | B. Forster | Improvements In Adjustable Spanners | wrench combination tools |
| 2,405,748 | Aug. 13, 1946 | W. Johnson | Internal Grinder | grinding machines |
| 2,406,299 | Aug. 20, 1946 | M. Koulicovitch | Machine Tool with Photoelectric Positioning of the Work Table | metalworking machines |
| 2,407,558 | Sep. 10, 1946 | W.C. Kress | Ratchet for Socket Wrenches | socket wrenches |
| 2,409,924 | Oct. 22, 1946 | R.E. Bauer | Thread Checker | measurement gauges |
| 2,410,571 | Nov. 05, 1946 | A.H. Griffith, R.T. Easton | Screw Thread Micrometer Button | micrometers |
| 2,412,421 | Dec. 10, 1946 | W.F. Aller, L.F. Polk | Gauging Device | measurement gauges |
| 2,412,665 | Dec. 17, 1946 | R.W. Young | Measuring Apparatus | measurement gauges |
| 2,413,436 | Dec. 31, 1946 | O.W. Dawson | Grinding Machine | tool grinders |
| 2,416,277 | Feb. 18, 1947 | S. Siegel | Pocket Knife | knives and cutters |
| 2,416,772 | Mar. 04, 1947 | F.A. Reece | Pilotage Rotameter | measurement gauges |
