Patent attorneys and agents in Downingtown, PA

4 USPTO-registered patent practitioners: 4 patent attorneys and 0 patent agents.

• Pauline Farmer-Koppenol — Patent attorney, Reg. No. 58004, Molecular Devices LLC
• Joseph E. Maenner — Patent attorney, Reg. No. 41964, Maenner & Associates, LLC
• Arnold S. Milowsky — Patent attorney, Reg. No. 35288, Wyeth
• Todd W. Spradau — Patent attorney, Reg. No. 52242, Innoventiv IP