| All Patents in class 33/833 |
Patents 31 -
45
of 48
      |
| Number | Date | Patentee | Title | Type |
| 1,225,835 | May 15, 1917 | G.A. Luck | Calipers | measuring apparatus |
| 1,226,855 | May 22, 1917 | P.A. Boynton | Measuring Device | measuring apparatus |
| 1,262,038 | Apr. 09, 1918 | H.M. Gould | Combined Rule and Case | rule accessories |
| 1,291,742 | Jan. 21, 1919 | W.J. Bousquet | Slide for Rules | rule attachments |
| 1,317,227 | Sep. 30, 1919 | L. Scully | Indicator Gage | test indicators |
| 1,373,367 | Mar. 29, 1921 | B. Summers | Centering Square | center squares |
| 1,379,253 | May 24, 1921 | J.P. Dorney | Combination Gage | combination squares |
| 1,382,717 | Jun. 28, 1921 | J. Duplessie | Measuring Device | special purpose gauges |
| 1,439,321 | Dec. 19, 1922 | W.M. Page | Bearing Gauge | measurement gauges |
| 1,462,101 | Jul. 17, 1923 | E.G. Colson | Tool | clamps |
| 1,467,341 | Sep. 11, 1923 | E.g. Strong | Indicating Gauge | limit gages |
| 1,561,822 | Nov. 17, 1925 | G.F. Bill | Foot Rule | metering apparatus |
| 2,304,460 | Dec. 08, 1942 | F.W. Kelleher | Dial Test Indicator | test indicators |
| 2,466,357 | Apr. 05, 1949 | W.K. Beith | Try Square Scriber Attachment | marking gauges |
| 2,660,799 | Dec. 01, 1953 | T.O. Strauss | Lathe Arttachment | metal lathe accessories and attachments |
