Otterstedt, Ellenbogen & Kammer LLP

3 registered patent practitioners: 3 patent attorneys and 0 patent agents, Greenwich, CT.

• A Thomas Kammer — Patent attorney, Reg. No. 28226, Otterstedt, Ellenbogen & Kammer LLP
• Paul John Otterstedt — Patent attorney, Reg. No. 37411, Otterstedt, Ellenbogen & Kammer LLP
• David E. Shifren — Patent attorney, Reg. No. 59329, Otterstedt, Ellenbogen & Kammer LLP