knowledge-base

In this series of posts, we feature various U. S. patents from the last 150 years, which were either historically significant in the development of modern musical instruments and instrument-building methods, or which present something interesting or just plain cool. We hope that these historical curiosities will help give cigar box guitar builders some context for their work, and hopefully also provide some inspiration. Continue reading “Gibson’s Guitar Truss Rod Patent from 1923 – US Patent #1446758”