Established firms seeking help. Not all business plans are written by starry-eyed entrepreneurs. Many are written by and for companies that are long past the startup stage. WalkerGroup/Designs, for instance, was already well-established as a designer of stores for major retailers when founder Ken Walker got the idea of trademarking and licensing to apparel makers and others the symbols 01-01-00 as a sort of numeric shorthand for the approaching millennium. Before beginning the arduous and costly