All Patents in class 451/450 |
Patents 16 -
30
of 59
|
Number | Date | Patentee | Title | Type |
654,215 | Jul. 24, 1900 | M.L. Worden, Administratrix, C.A. Worden, deceased (Estate of) | Sharpening Machine | sharpening machines |
665,380 | Jan. 01, 1901 | B.F. Barnes | Grinding-wheel support | |
838,556 | Dec. 18, 1906 | H. Lutter, E.A. Gies | Grinding-machine | bench or pedestal grinders |
856,662 | Jun. 11, 1907 | G.W. Smith | Face-mill grinder | tool grinders |
987,589 | Mar. 21, 1911 | E.S. Mummert | Grinding Machine for Sharpening Edged Tools | sharpening machines |
995,256 | Jun. 13, 1911 | E.J. Kearney, T. Trecker | Milling-machine | milling machines |
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 | |
1,576,593 | Mar. 16, 1926 | A.F. Froussard | Cylinder hone | cylinder maintenance |
1,664,983 | Apr. 03, 1928 | G.C. Kimmel | Automatic Coolant-Arresting Mechanism | grinding machines |
1,700,114 | Jan. 22, 1929 | C.H. Thompson | Surface Polishing Machine | polishing and buffing machinery |
1,971,790 | Aug. 28, 1934 | A.W. Mall | Portable power tool | |
2,036,658 | Apr. 07, 1936 | B.F. Stowell | Automatic grinding machine | grinders |
2,175,347 | Oct. 10, 1939 | A.G. Ericson, B.R. Granberg | Cooling Device for Machine Tools | coolant apparatus |