| Patents for W. J. Cambridge |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 50,748 | Oct. 31, 1865 | J.C. Chapman, D.C. Stillson | Improved Tool for Turning Gas-Pipe, etc. | pipe wrenches |
| 82,583 | Sep. 29, 1868 | Q.S. Backus | Improved chuck-drill | drill bits |
| 89,109 | Apr. 20, 1869 | S.S. Woodcock | Improvement in pencil-sharpeners | pencil sharpeners |
| 89,363 | Apr. 27, 1869 | A. Warren | Turbine Water Wheel | turbine water wheels |
| 90,907 | Jun. 01, 1869 | S. Wilmarth | Improved Planing Machine | metal planers |
| 104,975 | Jul. 05, 1870 | D. McAllaster | Improvement in miter-boxes and miter-saws | miter boxes |
| 138,357 | Apr. 29, 1873 | A.H. Allen | Improvement in the methods of perfecting veneers | veneer machines |
| 142,584 | Sep. 09, 1873 | T. Rice | Improvement in Splitting-Gages | slitting gauges |
| 143,681 | Oct. 14, 1873 | E.E. Emery | Improvement in Gages for Marking Cloth for Cutting | marking gauges |
| 163,342 | May 18, 1875 | D.L. Toppan | Improvement in drill for drilling metal | eggbeater drills |
| 167,772 | Sep. 14, 1875 | M.C. Mayo | Improved Phillips Patent Plow Plane | plane fences |
| 167,884 | Sep. 21, 1875 | T.P. Farmer | Improvement in Countersinks | countersinks |
| 174,155 | Feb. 29, 1876 | J. Riley | Improved Adjustable Wrench | screw adjust wrenches |
| 185,442 | Dec. 19, 1876 | P.A. Gladwin | Improvement in Match-Planes | plane fences |
| 191,026 | May 22, 1877 | J.A. Caldwell | Tool For Tightening and Fastening Straps For Securing Hose To Coupling | pliers |
