| All Patents in class 33/456 |
Patents 16 -
29
of 29
      |
| Number | Date | Patentee | Title | Type |
| 703,109 | Jun. 24, 1902 | R. Barr | Combination Measuring Instrument | measuring calipers |
| 716,170 | Dec. 16, 1902 | C.H. Barnes | Bevel Protractor | protractors |
| 777,605 | Dec. 13, 1904 | A.J. Knowlton, O.B. Creamer | Taper Calipers | calipers |
| 777,606 | Dec. 13, 1904 | A.J. Knowlton, O.B. Creamer | Taper Calipers | calipers |
| 811,233 | Jan. 30, 1906 | M. LeBlanc | Stair-Marking Tool | special purpose gauges |
| 812,574 | Feb. 13, 1906 | J.S. Linton | Saw-gage | tablesaw accessories |
| 820,448 | May 15, 1906 | T.L. Turpin | Rafter Square | squares |
| 825,606 | Jul. 10, 1906 | H.S. Milks | Folding Roofers' Square | bevels |
| 858,913 | Jul. 02, 1907 | R.G. Sauer | Drafting Instrument | squares |
| 912,605 | Feb. 16, 1909 | O.A. Osmonson | Combined Bevel and Square | bevels |
| 957,271 | May 10, 1910 | C.C. Taintor | Tool | |
| 1,408,800 | Mar. 07, 1922 | F.G. Cole | Carpenter's Square and Bevel | bevels |
| 1,420,175 | Jun. 20, 1922 | S.P. Alonzo | Angle-Measuring Apparatus | protractors |
| 1,672,695 | Jun. 05, 1928 | R.J. Simpson | Angle Gauge | special purpose gauges |
