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| Patents for Rockwell Clough Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 161,755 | Apr. 06, 1875 | W.R. Clough | Improvement in wire corkscrews | |
 | 172,868 | Feb. 01, 1876 | W.R. Clough | Improvement in corkscrews | |
 | 242,602 | Jun. 07, 1881 | W.R. Clough | Corkscrew | |
 | D30,234 | Feb. 21, 1899 | W.R. Clough | Handle for Corkscrews | |
 | 659,649 | Oct. 16, 1900 | W.R. Clough | Machine for making corkscrew | |
 | 950,509 | Mar. 01, 1910 | W.R. Clough | Bottle-cap lifter | |