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All Patents of Type: bolt extractors | |||||
Number | Date | Patentee | Title | Type | |
433,380 | Jul. 29, 1890 | C.C. Warren | Bolt Extractor | bolt extractors | |
4,713,990 | Dec. 22, 1987 | D.C. Poling | Bolt extracting tool | stud extractors | |
4,899,626 | Feb. 13, 1990 | K. Lymburner | Bolt or stud mounting and extracting tool | stud extractors |