RT @MIMphx: #DYK Steinway & Sons has been granted 127 patents for its improvements in piano design. #WednesdayWisdom https://t.co/YwOMKbIUVB
RT @MIMphx: #DYK Steinway & Sons has been granted 127 patents for its improvements in piano design. #WednesdayWisdom https://t.co/YwOMKbIUVB