By Mary Bellis, About.com
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Design Patents - Disclosures, Shading and ViewsDesign Patent D436,119Sample Specifications and Drawing Disclosures
Rules for Patent Drawing StandardsHow To File For A Design PatentDirectory
Mary BellisInventors Guide
Famous Inventions A to ZThe History of Computers - Computer History TimelineThomas Edison - The Inventions of Thomas EdisonHistory of the TelephoneFamous Inventors A to Z
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