Patent Information Publication number: US200521 A Patent Title: Improvement in phonograph or speaking machines Publication type: Grant Publication date: Feb 19, 1878 Filing date:…
Today, about 90% of non-bulk cargo worldwide is transported by container. Large Cargo ships carry these containers around the world. World’s largest cargo ships can…
While the international superstar starred in many horror movies like Halloween and Prom Night, but it might be dirty diapers that really scared her. So…
On January 11, 1955, Lloyd Conover patented the antibiotic tetracycline. By 1958, tetracycline became the most prescribed broad spectrum antibiotic in the U.S. For this…
This patented device contains a firearm aimed at the opening of an animal burrow. When the animal emerges the gun automatically fires, supposedly killing the…
