Patent attorneys and agents in Springfield, IL

6 USPTO-registered patent practitioners: 3 patent attorneys and 3 patent agents.

• William J. Craig — Patent agent, Reg. No. 79984
• Samuel J. Henderson — Patent agent, Reg. No. 73348
• Paul S. Kmett — Patent agent, Reg. No. 70351
• Michael T. Kokal — Patent attorney, Reg. No. 75360, Heyl, Royster, Voekler & Allen
• Robert M. Patino — Patent attorney, Reg. No. 54367, S I U School of Medicine
• George R. Petrilli — Patent attorney, Reg. No. 75024