| Patents for William Trewin |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 54,589 | May 08, 1866 | S.W. Palmer, J.F. Palmer | Improvement in gearing |
 | 55,685 | Jun. 19, 1866 | T.W. Mahler | Water Wheel |
| | 58,986 | Oct. 23, 1866 | W. Colwell | Corn Sheller |
| | 61,428 | Jan. 22, 1867 | J. Hindman | Corn Husker |
 | 63,836 | Apr. 16, 1867 | H.C. Berry | Back rest for lathes |
 | 64,341 | Apr. 30, 1867 | S. Markee | Improvements in Plane-Irons |
 | 64,664 | May 14, 1867 | T.G. Hall | Nippers |
 | 66,641 | Jul. 09, 1867 | J.C. Shackleton | Lathe Tool |
 | 67,473 | Aug. 06, 1867 | L.W. Williams, A.C. Wicker | Improved Variety Frame Lathe |
| | 67,953 | Aug. 20, 1867 | E.C. Cleveland | Improved Centrifugal Machine or Hydro-Extractor |
