Search Results for: Insulated electric conductors
patents musical instruments patents (class ) musical instruments patents (class ) cross-reference art collections organs; harmoniums {mouth organs or accordions subclasses +; aspects of automatic actuation subclasses +; combinations of microphones, pick-ups or amplifiers with musical instruments, electric
in notation form, e.g., recording the mechanical operation of a musical instrument {performing, per se, b f} {g g / } (class / ) supports for musical instruments {cellopins and components therefor subclass } {g g / } (class / ) other auxillary devices, e.g., separate holders for resin, strings, conductors...
https://patents.justia.com/patents-by-us-classification/984