| All Patents in class 33/501.2 |
Patents 1 -
10
of 24
      |
| Picture | Number | Date | Patentee | Title |
 | 454,516 | Jun. 23, 1891 | H.E. Brown | Micrometer Gage |
 | 1,416,694 | May 23, 1922 | A.L. De Leeuw | Gauge |
 | 1,436,656 | Nov. 28, 1922 | F.W. Horstmann, H.J. Horstmann | Indicating Caliper |
 | 1,451,736 | Apr. 17, 1923 | K. Lauer | Internal Gauge |
 | 1,465,295 | Aug. 21, 1923 | M. Bartholdy | Caliper Gauge |
 | 1,541,796 | Jun. 16, 1925 | P.J. Darlington | Micrometer Caliper |
 | 1,593,753 | Jul. 27, 1926 | P.J. Darlington | Micrometer Caliper |
| | 1,617,005 | Feb. 08, 1927 | W. Ames | Outside Cylinder Gauge |
 | 2,000,057 | May 07, 1935 | P.S. Arnold | Automatic Gauge Control and Means Therefor |
 | 2,267,559 | Dec. 23, 1941 | S.A. Foster | Gauge |
