Carissa T. Howard » Member Directory Go back to directory. Carissa T. Howard Houston Harbaugh, P.C.Patent, Trademark, Litigation 401 Liberty Avenue 22nd Floor Pittsburgh PA 15222 postal Phone: 412-288-2213 Email: howardct@hh-law.com No Logo Available Connections Business Directory | Leaflet | © OpenStreetMap contributors 401 Liberty Avenue 22nd Floor Pittsburgh PA 15222Get Directions