Mailbox Money!: Step-by-Step Guide to Licensing Your Invention for Royalties
Sisters Barbara Russell Pitts and Mary Russell Sarao are co-authors of The Everything Inventions and Patents Book, which was published in December 2005 by Adams Media and Inventing on a Shoestring Budget.  Successful inventors and recognized experts on the subject, Barbara and Mary have lectured extensively on the different areas of inventing and marketing at seminars, workshops and organizations around the country as well as appearing on radio and television talk shows. In 2001, they were featured inventors in the documentary film, “The Big Idea.”  The sisters have been written about in books by other authors on inventing.  Some of these are The 12 Amazing Secrets of Millionaire Inventors, by Harvey Reese, The Right Sisters, by Julia Rhodes, and Hardcore Inventing, by Ellie Crowe.  Their first invention, Ghostline®, has sold retail in excess of $200 million dollars since it was licensed in 1996. Both are native Oklahomans who now live in the Dallas, Texas area.