Sandberg Phoenix & von Gontard P.C.

2 registered patent practitioners: 2 patent attorneys and 0 patent agents, Clayton, MO.

• Jonathan P. Soifer — Patent attorney, Reg. No. 34932, Sandberg Phoenix & von Gontard P.C.
• Saul L. Zackson — Patent attorney, Reg. No. 52391, Sandberg Phoenix & von Gontard P.C.