Search Results for: Sound reproducing apparatus operated by tokens
vibration or agitation (class / ) utilizing electrical energy (class / ) by impinging plural liquid masses (class / ) by impinging or atomizing with gaseous jet or blast (class / ) by extrusion spraying or gravity fall through orifice (class / ) spheroidizing or rounding of solid particles (class /
(class / ) sound records (e.g., by removing grooves, etc.) (class / ) toroidal shapes (e.g., resilient tires, etc.) (class / ) hollow- or container-type articles (e.g., vase, pipes, cups, tubes, etc.) (class / ) inorganic material containing articles (e.g., plaster board, ceramic, fiberglass, etc.)...
https://patents.justia.com/patents-by-us-classification/264