References in classic literature ?
It took six thousand years to invent propellers and screws; so we have time enough yet.
Kasper and his coauthors present a desk reference and guide for patent professionals regarding the most significant revision to US patent law since 1952, the 2011 American Invents Act (AIA).
Kids in grades 4-6 will appreciate Hubert Invents The Wheel, a zany story of one teen Hubert, who has some ideas of how to make his life in Ancient Sumeria easier--by inventing the wheel, his greatest creation.
Environmental Engineer: Invents new ways to keep air, soil, and water clean