Today is “hot-air balloon day”. And here is one of the earliest inventions in this field: a hybrid airship. For something that’s literally hot inside, this…
Category: American Inventor
Zipper patent. (This day in Patent History - May 31).
Zipper patent. (This day in Patent History – May 31). https://www.facebook.com/patentyogi1/photos/a.566234973416723.123498.560123044027916/1453637151343163/?type=1&theater Patent Details:Patent Title – Clasp locker or unlocker for shoesPatent Number – US504038 AApproved:…
Kellogg invented flaked cereals to prevent kids from masturbating. (This day in Patent History - May 31).
Kellogg invented flaked cereals to prevent kids from masturbating. (This day in Patent History – May 31). https://www.facebook.com/patentyogi1/photos/a.566234973416723.123498.560123044027916/1453618031345075/?type=1&theater Patent Details:Patent Title – Flaked cereals and…