Ideal for patent-related research and as a laboratory notebook, this 8 ½ x 11 inch notebook has 50 sets of numbered, duplicate, white pages with light blue horizontal lines.  The original pages are printed in light blue and the perforated, easily-removable, duplicate pages are printed in light green.  The acid-free white pages are permanently sewn into the binding.  Each book contains a Table of Contents and a page of Instructions for using a scientific notebook and securing patent protection.  Headers and footers include the additional legally necessary language to make your notebook a defensible document to protect your intellectual property in court of law.  The header on each workpage provides a space for theTitle, the Project Number and the Book Number and a place to record Work continued from Page__.  A footer on each workpage has spaces for Signature and Date, Disclosed To and Understood By and Date, and Work continued to Page___.  Our books all feature hard, extension-style, coated, washable covers.  The pages lay flat when opened for ease of use in the laboratory.  These notebooks are ideal for patent-related research, development and design and as a laboratory notebook.  [Please note:  These books require carbon paper.  We have found this method to produce the best quality duplication.  Two sheets of carbon paper are included with each book for your convenience.]