| All Patents in class 33/501.2 |
Patents 1 -
15
of 24
      |
| Number | Date | Patentee | Title | Type |
| 454,516 | Jun. 23, 1891 | H.E. Brown | Micrometer Gage | micrometers |
| 1,416,694 | May 23, 1922 | A.L. De Leeuw | Gauge | measurement gauges |
| 1,436,656 | Nov. 28, 1922 | F.W. Horstmann, H.J. Horstmann | Indicating Caliper | special purpose gauges |
| 1,451,736 | Apr. 17, 1923 | K. Lauer | Internal Gauge | measurement gauges |
| 1,465,295 | Aug. 21, 1923 | M. Bartholdy | Caliper Gauge | measurement gauges |
| 1,541,796 | Jun. 16, 1925 | P.J. Darlington | Micrometer Caliper | micrometers |
| 1,593,753 | Jul. 27, 1926 | P.J. Darlington | Micrometer Caliper | micrometers |
| 1,617,005 | Feb. 08, 1927 | W. Ames | Outside Cylinder Gauge | measurement gauges |
| 2,000,057 | May 07, 1935 | P.S. Arnold | Automatic Gauge Control and Means Therefor | special purpose gauges |
| 2,267,559 | Dec. 23, 1941 | S.A. Foster | Gauge | measurement gauges |
| 2,268,579 | Jan. 06, 1942 | A. Eisele | Gauge | measurement gauges |
| 2,303,530 | Dec. 01, 1942 | A. Eisele | Gauge | measurement gauges |
| 2,316,877 | Apr. 20, 1943 | M. Maag | Micrometer Gauge | micrometers |
| 2,392,617 | Jan. 08, 1946 | J.G. Sisson | Cylindrical Test Gauge | bore gages |
| 2,404,751 | Jul. 23, 1946 | E.H. Schmidt | Gauge | measurement gauges |
