trademarks were found for owners matching the name Practical Instruments Inc.| # | Class | status | |
|---|---|---|---|
| 1 |
S:78788487
M:HELIOTUBE O:Practical Instruments, Inc., SOLIANT ENERGY, INC. |
11 | Dead |
| 2 |
S:78656519
M:PRACTICAL INSTRUMENTS 
O:Practical Instruments Inc |
9 | Dead |
| 3 |
S:78656521
M:TECHNOLOGY THAT MAKES SENSE O:Practical Instruments Inc, SOLIANT ENERGY, INC. |
9 | Dead |
| 4 |
S:78656522
M:SOLAR THAT MAKES SENSE O:Practical Instruments Inc, SOLIANT ENERGY, INC. |
9 | Dead |
| 5 |
S:78656447
M:PRACTICAL INSTRUMENTS O:Practical Instruments Inc. |
9 | Dead |
