Forgotten Inventors – Inventors that have been forgotten over time, including inventions like the frisbee, feather duster, and can opener, as well as many others.

Google Patents – Search for Inventions that were patented near a specific area…Ask: Why was this created here instead of somewhere else? What happened before/after this device was patented?

Greatest Engineering Achievements of the Twentieth Century – Inventions – automobiles, airplanes, telephones, TVs, etc. – with their information and history.

Timeline of Inventions – A timeline (1752-1990) of inventions with brief descriptions.