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| All Patents in class 15/220.4 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,679,178 | Jul. 31, 1928 | N.H. Shillman | Tape Casing | |
 | 1,987,264 | Jan. 08, 1935 | W.D. McMahan | Tape cleaner | |
 | 2,157,024 | May 02, 1939 | G. Smith | Gauge Line Wiper | |