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| All Patents in class 15/104.13 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,110,319 | Sep. 15, 1914 | A.F. Froussard | Tube Cleaner | tube cleaning machines | |
| 1,221,984 | Apr. 10, 1917 | A.F. Froussard | Tube Cleaner | tube cleaning machines | |
| 1,367,314 | Feb. 01, 1921 | A.F. Froussard | Tube Cleaner | tube cleaning machines | |