All Patents in class 451/155 |
Patents 1 -
15
of 29
|
Number | Date | Patentee | Title | Type |
76,755 | Apr. 14, 1868 | G.F. Hammer | Spindle sander | oscillating spindle sanders |
125,948 | Apr. 23, 1872 | A.S. Gear | Oscillating spindle sander | foundryman |
129,402 | Jul. 16, 1872 | T. Goodrum | Improvement in Machines for Polishing the Inner Surfaces of Cylinders | polishing machines |
140,832 | Jul. 15, 1873 | J. Rigney, J.P. Kealy | Machine for dressing lathe centers | sharpening machines |
151,669 | Jun. 02, 1874 | M. Newman | Improvement in metal shaping and dressing machines | surface grinders |
196,063 | Oct. 09, 1877 | H. Wickham, Jr. | Grinding Machine | grinding machines |
209,648 | Nov. 05, 1878 | A. Bridgman | Improvement in sandpapering-machines | sanding machines |
252,063 | Jan. 10, 1882 | J.L. Taplin | Grinding and polishing machine | oscillating spindle sanders |
449,666 | Apr. 07, 1891 | J.E. Carpenter | Wood-polishing machine | sanding machines |
542,099 | Jul. 02, 1895 | B. Bloomheart, W.F. Nichols | Grinding Apparatus | grinders |
615,390 | Dec. 06, 1898 | O.W. Hult, C.A. Hult | Apparatus for Grinding Round Objects | cylindrical grinders |
1,277,377 | Sep. 03, 1918 | R.L. Carter | Sanding-machine | oscillating spindle sanders |
1,295,359 | Feb. 25, 1919 | N.G. Olson | Electrically-operated abrading-machine | oscillating spindle sanders |
1,433,387 | Oct. 24, 1922 | P.H. Leckinger | Drill press | drill presses |
1,624,211 | Apr. 12, 1927 | W.L. Bryant | Multispindle internal-combustion machine | cylindrical grinders |