Whitham Curtis and Christofferson PC

2 registered patent practitioners: 1 patent attorneys and 1 patent agents, Reston, VA.

• Clyde R. Christofferson — Patent attorney, Reg. No. 34138, Whitham Curtis and Christofferson PC
• Ruth E. Tyler-Cross — Patent agent, Reg. No. 45922, Whitham Curtis and Christofferson PC