Ovation Instruments Inc. Invoice and Shipment Documents - Des Moines Music House Order
Year: 1979
Ovation Matrix Guitar Construction 1975 Patent
US 3,911,778
1975
Robert L. Martin
US
Guitar construction with composite neck and molded bowl body
Matrix
6 drawings
US patent for guitar construction featuring a one-piece molded bowl-shaped body, a flat top (sound board), and a composite neck. The neck uses a die-cast aluminum alloy frame member with an integrally molded neck block, and a lightweight plastic back member giving conventional wood grain appearance. The design reduces weight while maintaining structural strength. Assigned to Ovation Instruments, Inc.
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