| All Patents in class 33/494 |
Patents 16 -
27
of 27
      |
| Number | Date | Patentee | Title | Type |
| 706,242 | Aug. 05, 1902 | D. Latshaw | Graduations for Rulers | rule graduations |
| 924,671 | Jun. 15, 1909 | W. Klie | Rule | plumber |
| 999,730 | Aug. 08, 1911 | W.R. Allen | Scale | rule graduations |
| 1,223,132 | Apr. 17, 1917 | W.P. Holden, C.J. Zigler | Lumber Tester | rule graduations |
| 1,663,293 | Mar. 20, 1928 | A.B. Cook | Measuring Ruler | rule graduations |
| 1,677,821 | Jul. 17, 1928 | A.O. Graham | Brick Mason's Gauge | bricklayer |
| 1,816,548 | Jul. 28, 1931 | L. Robidoux | Simplified Rule (Fractional markings to 64's) | scales |
| 1,828,401 | Oct. 20, 1931 | H.A. Farrand | Resilient rule | tape measures |
| 2,077,828 | Apr. 20, 1937 | B.S. Dombrowski | Ruler | rules |
| 2,530,955 | Nov. 21, 1950 | H.J. Gerber | Instrument for measuring, interpolating, and the like | |
| 3,060,584 | Oct. 30, 1962 | R. Westfall | Vernier Caliper | vernier calipers |
| 3,787,982 | Jan. 29, 1974 | R.F. Anderson | Direct Reading Measuring Instruments | measurement gauges |
