Reduced friction piano action pins

Reduced-size keyboards

Reduction of longitudinal modes in musical instruments strings

Reed and mouthpiece assembly

Reed and mouthpiece assembly

Reed construction

Reed holding device

Reed holding device for musical instruments

Reed holding device for musical instruments

Reed maintainer for woodwind instruments

Reed mount for woodwind mouthpiece

Reed mouthpiece for musical wind instrument

Reed mouthpiece for musical wind instrument

Reed protector for a woodwind instrument

Reed-holding device

Reentrant reverberation generator for an electronic musical inst

Reflecting plates for resonating chamber

Register arrangement for an electronic musical instrument

Register arrangement for electronic musical instruments

Register switching device for a reed musical instrument