trademarks were found for owners matching the name North Pittsburgh Telephone Company.| # | Class | status | |
|---|---|---|---|
| 1 |
S:78927636
M:NORTH PITTSBURGH TELEPHONE COMPANY 
O:North Pittsburgh Telephone Company |
38 | Dead |
| 2 |
S:78928106
M:NPTC O:North Pittsburgh Telephone Company |
38 | Dead |
| 3 |
S:76293767
M:CONNECTTIME DSL O:North Pittsburgh Telephone Company |
38, 42 | Dead |
| 4 |
S:76293768
M:CONNECTTIME DSL HIGH SPEED INTERNET ACCESS 
O:North Pittsburgh Telephone Company |
38, 42 | Dead |
| 5 |
S:75692095
M:XPRESSDSL 
O:North Pittsburgh Telephone Company |
38 | Dead |
