trademarks were found for owners matching the name BARRETT, DAVID A..| # | Class | status | |
|---|---|---|---|
| 1 |
S:85338331
M:BLUESHARMONICA.COM O:Barrett. David A. |
9 | Dead |
| 2 |
S:85143873
M:HARMONICA MASTERCLASS O:Barrett, David A. |
16, 41 | Dead |
| 3 |
S:78256434
M:LICK-A-DAY O:Barrett, David A |
41 | Dead |
| 4 |
S:78193934
M:HARMONICA MASTERCLASS O:Barrett, David A |
16 | Dead |
| 5 |
S:78193979
M:SCHOOL OF THE BLUES 
O:Barrett, David A |
16 | Dead |
| 6 |
S:78100526
M:SCHOOL OF THE BLUES O:Barrett, David A. |
41 | Dead |
| 7 |
S:75547844
M:HARMONICA MASTERCLASS O:BARRETT, DAVID A. |
41 | Dead |
