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| All Patents in class 29/896.22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 72,877 | Dec. 31, 1867 | W.H. May | Improved method of preparing wood for musical instruments | music instrument maker | |
| 2,230,222 | Feb. 04, 1941 | E.F. Hager | Method of and apparatus for tuning reeds of musical instruments | music instrument maker | |