| All Patents in class 451/450 |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 41,419 | Feb. 02, 1864 | J.G. Baker | Improvement in Grinding Saws | tool making machines |
| 189,613 | Apr. 17, 1877 | E.C. Dicey | Improvement in lath machines | lath making machines |
| 288,717 | Nov. 20, 1883 | A.W. McIntyre | Machine for Grinding Car Wheels | |
| 367,331 | Jul. 26, 1887 | W.F. Barnes | Grindstone-frame | |
| 399,344 | Mar. 12, 1889 | J.M. Petersen | Machine for fitting the ends of band-saws | bandsaw accessories |
| 407,577 | Jul. 23, 1889 | J.D. Cox, Jr. | Machine for back-clearing twist-drills | tool making machines |
| 665,380 | Jan. 01, 1901 | B.F. Barnes | Grinding-wheel support | |
| 1,254,111 | Jan. 22, 1918 | W.F. Barry | Grinding or Polishing Apparatus | polishing and buffing machinery |
| 1,261,669 | Apr. 02, 1918 | W.E. Wright | Sawing Apparatus | |
| 1,265,050 | May 07, 1918 | H.E. Chayes | Grinding Machine | |
| 1,971,790 | Aug. 28, 1934 | A.W. Mall | Portable power tool | |
| 2,372,699 | Apr. 03, 1945 | C.A. Wiken, H.V. Boehnke | Cutting machine | circular crosscut saws |
| 2,374,716 | May 01, 1945 | C.A. Wiken | Grinder | cutter grinding |
| 2,413,016 | Dec. 24, 1946 | C.A. Wiken, H.V. Boehnke | Cutting machine | circular crosscut saws |
| 2,446,597 | Aug. 10, 1948 | H.J. Kingsbury | Worktable for belt grinders or the like | sanding machines |
