| Patents for C. T. Williamson Co. |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 161,755 | Apr. 06, 1875 | W.R. Clough | Improvement in wire corkscrews | cork easers |
| 196,226 | Oct. 16, 1877 | G. Havell | Improvement in corkscrews | pocket and protected cork extractors |
| 274,539 | Mar. 27, 1883 | C.T. Williamson | Corkscrew | pocket and protected cork extractors |
| 583,561 | Jun. 01, 1897 | W.A. Williamson | Corkscrew | figural cork extractors |
| 657,421 | Sep. 04, 1900 | R.W. Jorres | Corkscrew | figural cork extractors |
| 1,385,976 | Jul. 26, 1921 | E. Walker | Method of making crown-openers | combination cork extractors |
