All Patents of Type: grinding machines |
Patents 1 -
15
of 494
|
Number | Date | Patentee | Title | Type |
2,745X | Feb. 28, 1817 | G. Drake | Machine for grinding and facing cards | grinding machines |
74,206 | Feb. 11, 1868 | H. Disston | Improvement in Machine for Grinding the Rolls of Rolling Mills | grinding machines |
79,683 | Jul. 07, 1868 | J.M. Poole | Machine for Turning Cylinders | metal lathes |
D4,321 | Aug. 30, 1870 | A. Wallace | Design for the frame of an emery grinder | grinding machines |
125,434 | Apr. 09, 1872 | M.E. Worbell, W. Battell | Improvement in Grinding Machines | grinding machines |
132,231 | Oct. 15, 1872 | A. Assman | Improvement in Grinding Apparatus | grinding machines |
134,296 | Dec. 24, 1872 | G.W. Libbey | Grinding Machines | grinding machines |
GB-187,501,702 | May 07, 1875 | J.B. Handyside | Improvements in machine tools for grinding metallic surfaces | grinding machines |
181,715 | Aug. 29, 1876 | C.A. Perkins | Mounting for Emery Grinders | grinding machines |
183,061 | Oct. 10, 1876 | M.P. Locke | Adjustable Crank for Grindstones, &c. | human powered apparatus |
196,063 | Oct. 09, 1877 | H. Wickham, Jr. | Grinding Machine | grinding machines |
252,943 | Jan. 31, 1882 | A. Hessels | Machine for Grinding the Laps of Polishing Machines | grinding machines |
255,208 | Mar. 21, 1882 | J.H. Taylor | Grinding Machine | grinding machines |
271,519 | Jan. 30, 1883 | J.M. Riley | Journal Box for Grinding and Polishing Lathes | grinding machines |
282,225 | Jul. 31, 1883 | J. Rentz | Grinding-Machine | grinding machines |