trademarks were found for owners matching the name Welded Tube Co. of America.| # | Class | status | |
|---|---|---|---|
| 1 |
S:78324779
M:KLEENKOTE O:COPPERWELD CORPORATION, Welded Tube Co. of America |
6 | Dead |
| 2 |
S:75401406
M:IMO O:Welded Tube Co. of America |
35 | Dead |
| 3 |
S:75070205
M:KLEENKOTE O:Welded Tube Co. of America |
6 | Dead |
| 4 |
S:75070415
M:WTC 
O:Welded Tube Co. of America |
6 | Dead |
| 5 |
S:75070632
M:WELDED TUBE CO. OF AMERICA O:Welded Tube Co. of America |
6 | Dead |
| 6 |
S:75062539
M:IMO O:Welded Tube Co. of America |
9 | Dead |
| 7 |
S:74358044
M:KLEENKOTE O:Welded Tube Co. of America |
6 | Dead |
| 8 |
S:74356659
M:REDKOTE 
O:Welded Tube Co. of America |
6 | Dead |
