| Patents for Pedrick & Ayer |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| GB-186,801,270 | Apr. 18, 1868 | W. Lund, T.A. Goff | Improvements in machines for turning off crosshead wrist pins, crank pins, and similar work | wrist pin lathes |
| 78,733 | Jun. 09, 1868 | T.A. Goff | Improved apparatus for turning wrist-pins, crank-pins, &c. | wrist pin lathes |
| 121,230 | Nov. 28, 1871 | L.C. Brastow, A.M. Zwiebel | Improvement in planing-machine attachments | wood planers |
| 188,008 | Mar. 06, 1877 | L.B. Flanders | Machine for Turning Locomotive Crank-Pins | portable metal drilling machines |
| 233,846 | Nov. 02, 1880 | J.H. Greenwood | Planer Chuck | metal planer chucks |
| 240,513 | Apr. 26, 1881 | J.H. Greenwood | Planer Chuck | metal planer chucks |
| 288,953 | Nov. 20, 1883 | D.W. Pedrick | Machine For Turning and Boring | portable metal drilling machines |
| 308,925 | Dec. 09, 1884 | D.W. Pedrick | Machine for turning wrist-pins | wrist pin lathes |
