Mark J Ash
Patent
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Houston
About
David Mark O'Brian is a professional specializing in patent in Houston. Registered and verified attorney (Bar # 37901). Service area: Houston and surrounding cities. Contact David Mark O'Brian for a free, personalized consultation with no obligation. Information based on declared professional data.
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Identity verified (Bar Number)
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Verified
Active license confirmed through state bar records
Credentials & Bar Admissions
Verified through state bar records
- Bar Number
- 37901
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