Les Entreprises Roberto Aspri Ltee

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Montreal, CA

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Patents Grantslast 30 patents

Information Patent Grant
Sound reverberator for string musical instrument
- Patent number D314968
- Issue date Feb 26, 1991
- Les Entreprises Roberto Aspri Ltee
- Roberto Aspri
- D17 - Musical instruments
Information Patent Grant
Sound reverberator device for detachable connection to the strings...
- Patent number 4,762,046
- Issue date Aug 9, 1988
- Les Entreprises Roberto Aspri Ltee
- Roberto Aspri
- G10 - MUSICAL INSTRUMENTS ACOUSTICS