Electronic Development Company, LLC Trademarks
PIANOMATE
Instructional device placed above the keys of a piano, which through a series of lights would teach one how to recognize…
Owned by: Electronic Development Company, LLC
Serial Number: 75897785
PIANO PLAYMATE
instructional piano device, namely a panel for placement on a piano keyboard with a series of LED lights which light up…
Owned by: Electronic Development Company, LLC
Serial Number: 76106937
