All Patents in class 451/134 |
Patents 1 -
10
of 15
      |
Picture | Number | Date | Patentee | Title |
| 79,683 | Jul. 07, 1868 | J.M. Poole | Machine for Turning Cylinders |
 | 84,916 | Dec. 15, 1868 | E. Strange, E.C. Strange, E.W. Strange | Machine for grinding and polishing cylindrical saws |
| 99,000 | Jan. 18, 1870 | J.M. Poole | Grinding Machine |
| 104,492 | Jun. 21, 1870 | J.M. Poole | Machine for Grinding Rollers |
| RE7,240 | Jul. 25, 1876 | J.M. Poole | Machines for Grinding Rollers |
| 193,715 | Jul. 31, 1877 | R. Binns, E.E. Latham | Machines for Grinding Calender Rolls |
| 194,001 | Aug. 07, 1877 | W.G. Gibbons, T.H. Savery | Roll Grinding and Finishing Machine |
| RE7,978 | Dec. 04, 1877 | J.M. Poole | Machine for Grinding Objects Cylindrically |
| 407,721 | Jul. 23, 1889 | J.D. Cox, Jr. | Machine for back-clearing twist-drills |
 | 508,196 | Nov. 07, 1893 | T.A. Willson, H. Bilgram | Machine for grinding the edges of spectacle or eyeglass lenses |