Patent attorneys and agents in Dumfries, VA

5 USPTO-registered patent practitioners: 0 patent attorneys and 5 patent agents.

• William K. Cheung — Patent agent, Reg. No. 81002
• William H. Grieb — Patent agent, Reg. No. 45324
• Robert L. Griffin — Patent agent, Reg. No. 34499
• Charles W. Stewart, Jr. — Patent agent, Reg. No. 63013
• Michael J. Tokar — Patent agent, Reg. No. 64099