PETROKEY
USPTO Trademark Record · Serial No. 74077044
Trademark details
It was initially claimed by MicroKey Sciences, Inc. on 19900710.
That brand applies to the following goods and services:products, systems and technologies for the treatment and disposal of petroleum bearing waste, and the enhanced processing or production of petroleum based compounds as in microbiologically enhanced oil recovery.
You can learn more about that trademark on the USPTO website: View the USPTO record
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