| Patents for E. B. Pratt |
Patents 1 -
10
of 21
      |
| Picture | Number | Date | Patentee | Title |
| | 141,760 | Aug. 12, 1873 | S.W. Card | Machines for milling twist-drills |
 | 255,123 | Mar. 21, 1882 | L.S. Starrett | Surface Gage |
 | 257,492 | May 09, 1882 | W.D. Hatch | Log-dressing machine |
 | 257,494 | May 09, 1882 | R.K. Huntoon | Gas-exhaust regulator |
 | 257,918 | May 16, 1882 | W. Bowker | Machine for sawing barrel-hoops from poles |
 | 259,596 | Jun. 13, 1882 | C.W. Smith | Surface Gage |
 | 259,661 | Jun. 20, 1882 | W. Bowker | Band-saw guide |
 | 264,492 | Sep. 19, 1882 | J.A. Thayer | Claw Hammer and Screw Driver |
 | 265,287 | Oct. 03, 1882 | W.H. Sleeper | Centering Try Square |
 | 267,378 | Nov. 14, 1882 | N.P. Stevens | Machine for dressing hoops |
