trademarks were found for owners matching the name Digital Telephone Systems, Inc..| # | Class | status | |
|---|---|---|---|
| 1 |
S:73288857
M:INN COM O:Digital Telephone Systems, Inc. |
9 | Dead |
| 2 |
S:73274633
M:PROTOCALL 
O:Digital Telephone Systems, Inc. |
9 | Dead |
| 3 |
S:72349166
M:D 
O:DIGITAL TELEPHONE SYSTEMS, INC. |
21, 26 | Dead |
| 4 |
S:72349167
M:DIGITAL TELEPHONE SYSTEMS, INC. D 
O:DIGITAL TELEPHONE SYSTEMS, INC. |
21, 26 | Dead |
