A method for interfacing between a product planning conceptual design tool and a CAD/CAM environment allows an indented bill of materials to be imported to the CAD/CAM environment while retaining the characteristics as a primitive text file. The conceptual design tool uses a sketch sheet approach on...http://www.google.com/patents/US4862376?utm_source=gb-gplus-sharePatent US4862376 - Bill of material interface to CAD/CAM environment
