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 objects that you might assume...
Read MoreWhen Was the First Patent Filed for a Drink-through Lid? The disposable coffee cup lid falls squarely in the category of random, everyday objects that you might assume...
Read MoreWhy Was Whitney’s Cotton Gin Important? Whitney’s cotton gin was exceedingly important as it more than trebled the amount of cotton which could be picked free of...
Read MoreDid the Scottish Chemist Charles Macintosh Really Invent the Raincoat? Living in Scotland before 1824 was hard. There are more rainy days than dry ones in the country,...
Read MoreWhen Were Pencil Erasers Invented? Pencil erasers were invented in 1752 by a Frenchman named Magellan. He found that small lumps of caoutchouc (Kuchuk), as rubber was...
Read MoreA patent is a grant issued by the government to protect someone’s invention from being copied and used by others. A patent gives the inventor the sole right to...
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