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| Patents for G. Leblanc Corp. | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,791,929 | May 14, 1957 | D. Bonade | Ligatures for clarinets or the like | musical instruments | |
| 3,937,116 | Feb. 10, 1976 | L. Ramirez | Tenor trombone construction | musical instruments | |