| All Patents in class 33/501.4 |
Patents 16 -
30
of 32
      |
| Number | Date | Patentee | Title | Type |
| 2,016,659 | Oct. 08, 1935 | C.W. Tydeman | Internal Cliper Gauge | measurement gauges |
| 2,024,021 | Dec. 10, 1935 | A.H. Emery, E.H. Aldeborgh | Dial Plug Gauge | plug gauges |
| 2,215,259 | Sep. 17, 1940 | J.G. Sisson, C.W. Witter | Strain Gauge | strain gages |
| 2,268,579 | Jan. 06, 1942 | A. Eisele | Gauge | measurement gauges |
| 2,344,498 | Mar. 21, 1944 | W.H. Coward | Micrometer | micrometers |
| 2,344,595 | Mar. 21, 1944 | O. Calow, G. Calow | Indicator Micrometer | micrometers |
| 2,378,093 | Jun. 12, 1945 | M. Monies | Measuring Device | measurement gauges |
| 2,399,236 | Apr. 30, 1946 | D.A. Lutton | Micrometer | micrometers |
| 2,445,875 | Jul. 27, 1948 | A.H. Emory | Combined Comparator and Limit Gauge | comparators |
| 2,472,875 | Jun. 14, 1949 | A.A. Adams | Micrometer Caliper | micrometers |
| 2,556,761 | Jun. 12, 1951 | C.R. Keene | Combined Micrometer Caliper and Dial Gauge | micrometers |
| 2,580,009 | Dec. 25, 1951 | A.H. Emery | Adapter for Snap Gauges | |
| 2,581,473 | Jan. 08, 1952 | A. Eisele | Combination Offset and Straight Internal Bore Gauge | measurement gauges |
| 2,674,046 | Apr. 06, 1954 | H.J. Kaye | Measuring Device | measurement gauges |
| 2,749,620 | Jun. 12, 1956 | F.H. Czaplinski | Groove Gage | special purpose gauges |
