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Patents for Frank E. Wells | |||||
Number | Date | Patentee | Title | Type | |
569,902 | Oct. 20, 1896 | F.E. Wells, W.C. Wells | Machine for Making Nipples | pipe making machines | |
581,187 | Apr. 20, 1897 | F.E. Wells, W.C. Wells | Machine for Making Nipples and Stud Bolts | pipe making machines |