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| Patents for Edward P. Haff | |||||
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| Number | Date | Patentee | Title | Type | |
| 252,101 | Jan. 10, 1882 | E.P. Haff | Pocket tape-measure | tape measures | |
| 315,773 | Apr. 14, 1885 | E.P. Haff | Corkscrew | cork easers | |
| 317,123 | May 05, 1885 | E.P. Haff | Corkscrew | T corkscrews and other straight corkscrews | |