Williams Simons & Landis PLLC

2 registered patent practitioners: 2 patent attorneys and 0 patent agents, Austin, TX.

• Mark John Edward Mccarthy — Patent attorney, Reg. No. 69575, Williams Simons & Landis PLLC
• John Wittenzellner — Patent attorney, Reg. No. 61662, Williams Simons & Landis PLLC