Optek Music Systems, Inc. Trademarks
FRETLIGHT
Filed: March 4, 2004
musical instruments, guitars
Owned by: Optek Music Systems, Inc.
Serial Number: 78378356
GUITAR TUNES
Filed: August 6, 2015
Computer software for use in providing guitar instruction and playing guitar music; downloadable software in the nature…
Owned by: Optek Music Systems, Inc.
Serial Number: 86716535
