Patent attorneys and agents in Prospect Heights, IL

3 USPTO-registered patent practitioners: 0 patent attorneys and 3 patent agents.

• Brianna C. De Frank — Patent agent, Reg. No. 82200
• Francis Jan Koszyk — Patent agent, Reg. No. 56680, Leydig Voit and Mayer LTD
• Priscilla Eileen Porembski — Patent agent, Reg. No. 33207, Abbott Laboratories