Intellectual Property Rights, Invention and Patents
175217481600s Benjamin Franklin discovers lightning is electricity Commercial production of coal begins in the U.S. near Richmond, Virginia Late 1700s.
How they became great!!
How they became great!! Dr. Saad alkuraibani. Title: How did they become great? Writer: Dr. Saad alkuraibani. Pages:200. Edition language: Arabic. Original.
The History of the Light Bulb
the 5 most important inventions
