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Mario Maccaferri
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    • Biography-Timeline
    • Mario Maccaferri by Dick Boak
    • A Tribute to Mario Maccaferri by Michael Dresdner
    • References and Additional Reading
  • Mastro Instruments
    • Ukuleles and Banjos
    • Mastro Acoustic Guitars
    • Mastro Electric Guitars
    • Mastro Accessories
    • Mastro Percussion
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    • Mastro Violins
    • Beatles Instruments
  • Lutherie- Guitars and Violins
    • 1923-1928: Cento/Early Instruments
    • 1928-1931 London/Paris
    • 1931-1934 Paris, Selmer-Maccaferri Guitars
      • Selmer Maccaferri Guitars
        • Selmer-Maccaferri Guitar Gallery
          • Selmer Modèle Orchestre(Jazz Model)
    • 1938-1991 New York , Post-Selmer Wooden Instruments
  • Reeds
    • Isovibrant Reeds
    • My Masterpiece Reeds
    • Maccaferri Populaire Reeds
    • Miracle Plastic Reed
    • Futurity Plastic Reed
    • StereoReed
    • Reed-O-Meter
    • Nylon Mouthpiece
  • Plastic Inventions
    • Mastro Plastic Clothespins
    • 8-Track and Cassettes
    • Tri-Bond Plastic Wall Tile
  • Patents
  • Contact Us
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  • Home
  • About
    • Biography-Timeline
    • Mario Maccaferri by Dick Boak
    • A Tribute to Mario Maccaferri by Michael Dresdner
    • References and Additional Reading
  • Mastro Instruments
    • Ukuleles and Banjos
    • Mastro Acoustic Guitars
    • Mastro Electric Guitars
    • Mastro Accessories
    • Mastro Percussion
    • Mastro Horns and Woodwinds
    • Mastro Violins
    • Beatles Instruments
  • Lutherie- Guitars and Violins
    • 1923-1928: Cento/Early Instruments
    • 1928-1931 London/Paris
    • 1931-1934 Paris, Selmer-Maccaferri Guitars
      • Selmer Maccaferri Guitars
        • Selmer-Maccaferri Guitar Gallery
          • Selmer Modèle Orchestre(Jazz Model)
    • 1938-1991 New York , Post-Selmer Wooden Instruments
  • Reeds
    • Isovibrant Reeds
    • My Masterpiece Reeds
    • Maccaferri Populaire Reeds
    • Miracle Plastic Reed
    • Futurity Plastic Reed
    • StereoReed
    • Reed-O-Meter
    • Nylon Mouthpiece
  • Plastic Inventions
    • Mastro Plastic Clothespins
    • 8-Track and Cassettes
    • Tri-Bond Plastic Wall Tile
  • Patents
  • Contact Us

https://patents.google.com/patent/US2429557A/en?inventor=mario+maccaferri&oq=mario+maccaferri&page=1

  • Ukuleles and Banjos
    • Ukuleles and Banjos
  • Mastro Acoustic Guitars
    • Acoustic Guitars
  • Mastro Electric Guitars
    • Electric Guitars
  • Mastro Accessories
  • Mastro Percussion
    • Percussion
  • Mastro Horns and Woodwinds
    • Horns and Woodwinds
  • Mastro Violins
    • Violins
  • Beatles Instruments
    • Beatles Instruments
  • Shop
  • Isovibrant Reeds
  • My Masterpiece Reeds
  • Maccaferri Populaire Reeds
  • Miracle Plastic Reed
  • Futurity Plastic Reed
  • StereoReed
  • Reed-O-Meter
  • Nylon Mouthpiece
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