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The US trademark PRINCIPAL ENGINEERING was filed as Word mark on 03/29/2010 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 11/09/2010.
The current status of the mark is "REGISTERED AND RENEWED".
Trademark form | Word mark |
File reference | 85000637 |
Register number | 3873137 |
Application date | March 29, 2010 |
Publication date | August 24, 2010 |
Entry date | November 9, 2010 |
ID: 1385000637