Patent attorneys and agents in Glen Mills, PA

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

• William Edward Dickheiser — Patent attorney, Reg. No. 30169
• William H. Hamby — Patent attorney, Reg. No. 31521, E.I. DuPont De Nemours and Company
• Jane Obee Hamby — Patent attorney, Reg. No. 32872, E.I. DuPont De Nemours and Company