trademarks were found for owners matching the name Demko, David J..| # | Class | status | |
|---|---|---|---|
| 1 |
S:77106260
M:YOUTH'N O:Demko, David J. |
16 | Dead |
| 2 |
S:77095017
M:AGEVENTURE O:Demko, David J. |
44 | Dead |
| 3 |
S:78605662
M:YOUTH'N O:Demko, David J. |
16 | Dead |
| 4 |
S:78589016
M:AGEVENTURE O:Demko, David, J. |
16 | Dead |
| 5 |
S:78589019
M:AGE AUDIT O:Demko, David, J. |
16 | Dead |
| 6 |
S:73748608
M:OPALS 
O:DEMKO, DAVID J., PH.D. |
35 | Dead |
