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Patents for B. Portnoy
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
FR-1,497,247	Oct. 06, 1967	B.A. Portnoy	Ligatures or reed-holders for single-reed musical wind instruments	musical instruments
3,433,113	Mar. 18, 1969	B.A. Portnoy	Ligatures or reed-holders for single-reed musical wind instruments	musical instruments

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