| All Patents in class 451/134 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 79,683 | Jul. 07, 1868 | J.M. Poole | Machine for Turning Cylinders | metal lathes |
| 84,916 | Dec. 15, 1868 | E.C. Strange, E.W. Strange, E. Strange | Machine for grinding and polishing cylindrical saws | saw sharpening machines |
| 99,000 | Jan. 18, 1870 | J.M. Poole | Grinding Machine | cylindrical grinders |
| 104,492 | Jun. 21, 1870 | J.M. Poole | Machine for Grinding Rollers | profile and contour grinders |
| RE7,240 | Jul. 25, 1876 | J.M. Poole | Machines for Grinding Rollers | profile and contour grinders |
| 193,715 | Jul. 31, 1877 | R. Binns, E.E. Latham | Machines for Grinding Calender Rolls | roll grinding machines |
| 194,001 | Aug. 07, 1877 | W.G. Gibbons, T.H. Savery | Roll Grinding and Finishing Machine | roll grinding machines |
| RE7,978 | Dec. 04, 1877 | J.M. Poole | Machine for Grinding Objects Cylindrically | cylindrical grinders |
| 407,721 | Jul. 23, 1889 | J.D. Cox, Jr. | Machine for back-clearing twist-drills | tool making machines |
| 508,196 | Nov. 07, 1893 | T.A. Willson, H. Bilgram | Machine for grinding the edges of spectacle or eyeglass lenses | |
| 558,641 | Apr. 21, 1896 | G.A. Ensign | Polishing-machine | sanding machines |
| 861,738 | Jul. 30, 1907 | A.B. Landis | Grinding-machine | grinders |
| 1,040,905 | Oct. 08, 1912 | R.B. Dow | Saw forming and sharpening machine | sharpening machines |
| 1,842,375 | Jan. 26, 1932 | S. Einstein | Grinding Machinery | grinding machines |
| 2,332,421 | Oct. 19, 1943 | E. Wildhaber | Method And Machine For Relieving Cutters | metal relieving machines |
