Rockin’ Patent – Martin B. Cohen’s “Percussion Instrument”

Rockin’ Patent: US Patent No. 3,439,572 Filed: 14 April 1967 Inventor: Martin B. Cohen Title: Percussion Instrument What’s claimed: “A percussion instrument comprising, a sound chamber, having a cavity with at least one open portion, support means secured to said chamber within said cavity, a plurality of spaced-apart elements slidably coupled to said support means and adapted to strike at least one wall of said chamber, and a vibratory rod member secured to, and external of said sound chamber, and having a hand grip along its length, for imparting sustained vibrations to said chamber”. Why this patent rocks: This patent explains that the ‘vibraslap‘ […]