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| Patents for Herbert Allen | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 4,253,351 | Mar. 03, 1981 | H. Allen | Cork extractor | |
 | 4,291,597 | Sep. 29, 1981 | H. Allen | Cork extractor | |
 | 4,377,096 | Mar. 22, 1983 | H. Allen | Cork extractor | |
 | 4,703,673 | Nov. 03, 1987 | H. Allen | Cork-extracting apparatus | |