Westman, Champlin & Koehler, P.A.
1 registered patent practitioners: 1 patent attorneys and 0 patent agents, Minneapolis, MN.
- John D. Veldhuis-Kroeze — Patent attorney, Reg. No. 38354, Westman, Champlin & Koehler, P.A.
1 registered patent practitioners: 1 patent attorneys and 0 patent agents, Minneapolis, MN.