| All Patents in class 33/534 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 226,723 | Apr. 20, 1880 | F.C. Davidson | Clinometer | clinometers |
| 672,213 | Apr. 16, 1901 | E.L. Holcomb | Angle Protractor | protractors |
| 794,175 | Jul. 11, 1905 | A.P. Hall | Adjustable Level and Incinometer | inclinometers |
| 997,989 | Jul. 18, 1911 | C.A. Glickert | Gage | micrometer attachments |
| 1,060,634 | May 06, 1913 | G. Rosen | Die-Maker's Clearance-Gage | special measuring tools |
| 1,510,219 | Sep. 30, 1924 | R.B. Harding | Auger Guide | |
| 1,672,695 | Jun. 05, 1928 | R.J. Simpson | Angle Gauge | special purpose gauges |
| 1,687,649 | Oct. 16, 1928 | F.L. Gillett | Cutter Clearence Gauge | special purpose gauges |
| 1,852,760 | Apr. 05, 1932 | J.G. Sisson | Cylinder Gauge | measuring tools |
| 1,889,248 | Nov. 29, 1932 | A.J. Kilmer | Adjustible Tool Support | grinding fixtures |
| 2,126,896 | Aug. 16, 1938 | S. Koller | Angle Plate | angle bars and angle plates |
| 2,527,758 | Oct. 31, 1950 | J.E. Oslund | Die Gauge | test indicators |
| 2,548,490 | Apr. 10, 1951 | O.A. Muller | Depth and Angle Gauge | micrometer depth gauges |
| 2,688,828 | Sep. 14, 1954 | R.J. Aulenbach | Angle Plate for Grinding Tool Bits | angle bars and angle plates |
| 3,568,739 | Mar. 09, 1971 | C.E. Kirk | Rafter gauge | gauges |
