| All Patents in class 33/403 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 83,577 | Oct. 27, 1868 | E.O. Boyle, J.D. Wilkinson | Improvement in Combined Tools | combination tools |
| 154,976 | Sep. 15, 1874 | S.M. York | Drawing Protracter, Sliding T-Square, etc. | protractors |
| 193,898 | Aug. 07, 1877 | H. Sherman | Improvement in Combined Dividers and Siding-Hook | clapboard markers |
| 199,425 | Jan. 22, 1878 | E. Ericson | Centering Square & Protractor | protractors |
| 202,180 | Apr. 09, 1878 | H.B. Little | Adjustable Centering Square | |
| 370,826 | Oct. 04, 1887 | C.M. Stratton, E.A. Stratton | Spirit Level Stock | wooden levels |
| 411,741 | Sep. 24, 1889 | C.E. Dow | Protractor | protractors |
| 413,497 | Oct. 22, 1889 | C.E. De Puy | Protractor | protractors |
| 564,549 | Jul. 21, 1896 | W.S. Ayres | Protractor | protractors |
| 570,767 | Nov. 03, 1896 | W.W. Pennington | Protractor | |
| 621,177 | Mar. 14, 1899 | G.W. Sykes | Protractor | protractors |
| 1,482,982 | Feb. 05, 1924 | . | Combination Tool | |
| 1,558,380 | Oct. 20, 1925 | H.E. MacKinga | Square Attachment for Saws | |
| 3,231,982 | Feb. 01, 1966 | T.A. Ribich | Apparatus for checking cutter geometry | measuring tools |
| 5,890,524 | Apr. 06, 1999 | E.C. Tucker, S.K. Jones, L. Sevack | Router table sled | |
