| Patents for Rockwell Clough 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 |
| 172,868 | Feb. 01, 1876 | W.R. Clough | Improvement in corkscrews | T corkscrews and other straight corkscrews |
| 242,602 | Jun. 07, 1881 | W.R. Clough | Corkscrew | cork easers |
| D30,234 | Feb. 21, 1899 | W.R. Clough | Handle for Corkscrews | cork easers |
| 659,649 | Oct. 16, 1900 | W.R. Clough | Machine for making corkscrew | cork easers |
| 950,509 | Mar. 01, 1910 | W.R. Clough | Bottle-cap lifter | combination cork extractors |
