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| Patents for Harry Cooper | |||||
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| Number | Date | Patentee | Title | Type | |
| 302,385 | Jul. 22, 1884 | H. Cooper | Adjustable Bench Hook | vises | |
| 496,190 | Apr. 25, 1893 | H. Cooper | Wrench | nut wrenches | |
| 512,159 | Jan. 02, 1894 | H. Cooper | Wrench | quick adjust wrenches | |
| GB-173,056 | Dec. 19, 1921 | H. Cooper | Improvements in ploughing engines, traction engines, and the like driven by internal combustion engines | internal combustion traction engines | |