trademarks were found for owners matching the name Sergio Hamernik.| # | Class | status | |
|---|---|---|---|
| 1 |
S:85455737
M:COPPER-TONE O:Sergio Hamernik |
9 | Registered |
| 2 |
S:85206069
M:MERCURY VINTAGE AUDIO TRANSFORMER BLUE PRINTING & RESTORATIONS FOUNDING MEMBER OF THE VINTAGE TONE PRESERVATION SOCIETY 
O:Sergio Hamernik |
9, 25, 37 | Dead |
| 3 |
S:85154220
M:TONECLONE 
O:Sergio Hamernik |
9, 25 | Dead |
| 4 |
S:85147967
M:NEWVOLT 
O:Sergio Hamernik |
9, 25 | Dead |
| 5 |
S:85146752
M:AXIOM 
O:Sergio Hamernik |
9, 25 | Dead |
| 6 |
S:85138955
M:PARTRIDGE TRANSFORMERS MADE IN THE U.S.A. FROM THE ORIGINAL BRITISH DESIGNS 
O:Sergio Hamernik |
9, 25 | Registered |
