| Patents for Pedrick & Ayer |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | GB-186,801,270 | Apr. 18, 1868 | T.A. Goff, W. Lund | Improvements in machines for turning off crosshead wrist pins, crank pins, and similar work |
 | 78,733 | Jun. 09, 1868 | T.A. Goff | Improved apparatus for turning wrist-pins, crank-pins, &c. |
 | 121,230 | Nov. 28, 1871 | L.C. Brastow, A.M. Zwiebel | Improvement in planing-machine attachments |
| | 188,008 | Mar. 06, 1877 | L.B. Flanders | Machine for Turning Locomotive Crank-Pins |
 | 233,846 | Nov. 02, 1880 | J.H. Greenwood | Planer Chuck |
 | 240,513 | Apr. 26, 1881 | J.H. Greenwood | Planer Chuck |
 | 288,953 | Nov. 20, 1883 | D.W. Pedrick | Machine For Turning and Boring |
 | 308,925 | Dec. 09, 1884 | D.W. Pedrick | Machine for turning wrist-pins |
 | 685,348 | Oct. 29, 1901 | G. Richards | Metal Planing Machine |
