| Patents for Thomas H. Worrall |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
| | 46,747 | Mar. 07, 1865 | T.H. Worrall | Centering Chuck |
| | 48,612 | Jul. 04, 1865 | T.H. Worrall | Self Centering or Holder |
 | D3,603 | Aug. 03, 1869 | T.H. Worrall | Design for a grinding-machine |
 | 463,812 | Nov. 24, 1891 | A. Lesperance | Clutch |
| | 463,820 | Nov. 24, 1891 | T.H. Worrall, A. Lesperance | Clutch |
| | 559,558 | May 05, 1896 | T.H. Worrall, A. Lesperance | Friction-clutch |
| | 586,263 | Jul. 13, 1897 | T.H. Worrall, A. Lesperance | Power-shifting device for clutch mechanisms |
| | 606,634 | Jun. 28, 1898 | T.H. Worrall, A. Lesperance | Friction-clutch |
| | 834,857 | Oct. 30, 1906 | T.H. Worrall | Clutch |
