Thomas V. Zelenka was awarded Patent 3,552,388 in 1968 for a motor-driven device that attaches to a baby crib and gently pats the sleeping baby on the bottom with a padded mitten. […]
Maybe It’s the Inventor Who Needed a Swat on the Bottom
Who Was the Only President to Obtain a Patent?
Abraham Lincoln holds the distinction of being the only US President to have obtained a patent.
Commonplace Fun Facts 