When Was the First Patent Filed for a Drink-through Lid?
When Was the First Patent Filed for a Drink-through Lid? The disposable coffee cup lid falls squarely in the category of random, everyday ob
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Patent
Why Was Whitney’s Cotton Gin Important?
Why Was Whitney’s Cotton Gin Important? Whitney’s cotton gin was exceedingly important as it more than trebled the amount of cotton which
Did the Scottish Chemist Charles Macintosh Really Invent the Raincoat?
Did the Scottish Chemist Charles Macintosh Really Invent the Raincoat? Living in Scotland before 1824 was hard. There are more rainy days th
When Were Pencil Erasers Invented?
When Were Pencil Erasers Invented? Pencil erasers were invented in 1752 by a Frenchman named Magellan. He found that small lumps of caoutcho
What Is a Patent?
A patent is a grant issued by the government to protect someone’s invention from being copied and used by others. A patent gives the invento