Crowell and Moring LLP

5 registered patent practitioners: 5 patent attorneys and 0 patent agents, Annandale, VA.

• Richard Russell Diefendorf — Patent attorney, Reg. No. 32390, Crowell and Moring LLP
• Joseph D. Evans — Patent attorney, Reg. No. 26269, Crowell and Moring LLP
• Robert L. Grabarek — Patent attorney, Reg. No. 40625, Crowell and Moring LLP
• Jeffrey David Sanok — Patent attorney, Reg. No. 32169, Crowell and Moring LLP
• John A. Walker — Patent attorney, Reg. No. 80872, Crowell and Moring LLP