| Patents for W. W. Hollingsworth |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 162,120 | Apr. 13, 1875 | J.E. Taylor | Steam Engine Cylinder |
 | 167,364 | Aug. 31, 1875 | J.W. Thompson | Indicator for Steam Engines |
 | 172,141 | Jan. 11, 1876 | J.L. Brown, J.B. McCormick | Turbine Water-Wheel |
 | 184,445 | Nov. 14, 1876 | S.N. Trump, C.N. Trump | Collet chuck |
 | 187,348 | Feb. 13, 1877 | R.M. Beck | Mounting for Portable Engines |
 | 258,401 | May 23, 1882 | A.O. Frick | Traction Engine |
 | 262,840 | Aug. 15, 1882 | W. Tyack, R. Simmons | Wrench |
 | 263,159 | Aug. 22, 1882 | A.O. Frick | Traction Engine |
 | 305,920 | Sep. 30, 1884 | J. Hamm | Marker for Weather-Boards, Flooring, and Jambs |
 | 307,927 | Nov. 11, 1884 | T.W. Maxey, W.J. Dyer | Weather-Board Gage |
