Kolisch Hartwell P.C.

9 registered patent practitioners: 7 patent attorneys and 2 patent agents, Portland, OR.

• James R. Abney — Patent attorney, Reg. No. 42253, Kolisch Hartwell P.C.
• Edward B. Anderson — Patent attorney, Reg. No. 30154, Kolisch Hartwell P.C.
• David P. Cooper — Patent attorney, Reg. No. 33372, Kolisch Hartwell P.C.
• Charles H. Devoe — Patent attorney, Reg. No. 37305, Kolisch Hartwell P.C.
• Owen W. Dukelow — Patent attorney, Reg. No. 41002, Kolisch Hartwell P.C.
• Rowena M. Held — Patent agent, Reg. No. 80484, Kolisch Hartwell P.C.
• Stanley M. Hollenberg — Patent agent, Reg. No. 47658, Kolisch Hartwell P.C.
• John M. Mccormack — Patent attorney, Reg. No. 26948, Kolisch Hartwell P.C.
• Pierre C. Van Rysselberghe — Patent attorney, Reg. No. 33557, Kolisch Hartwell P.C.