Breadcrumb Home > Homework Help > Homework Center: Science > Inventions: General Resources Inventions: General Resources Updated February 28, 2017 | Infoplease Staff Homework Center – Frequently Asked Questions Inventions General Resources The National Inventors Hall of Fame Resources for the history of invention Calendar of U.S. Patents, Trademarks, and Copyrights Inventions FAQ Homework Center Home »Subjects: Geography | History | Language Arts | Mathematics | Science | Social Studies .com/homework/inventionsfaq1.html Sources + Our Common Sources See also: English as a Second Language: Resources
Updated February 28, 2017 | Infoplease Staff Homework Center – Frequently Asked Questions Inventions General Resources The National Inventors Hall of Fame Resources for the history of invention Calendar of U.S. Patents, Trademarks, and Copyrights Inventions FAQ Homework Center Home »Subjects: Geography | History | Language Arts | Mathematics | Science | Social Studies .com/homework/inventionsfaq1.html Sources + Our Common Sources