Did you know that in … 
1866 – James Haven patents the Yo-Yo, first used as a weapon in the South Pacific.
1869 – Thomas Edison filed the first of his 1.093 patents at the age of 22.
1873 – 13 yr. old Chester Greenwood invents the earmuff by attaching some padding to a piece of wire to protect his ears while skating.
1903 – Mary Anderson patents the windshield wiper.
1903 – Jessie Stuart invents dandruff shampoo.
1923 – Garrett Morgan patents the traffic signal.
1951 – Marion Donovan patents the disposable diaper.
I didn’t either. How did I find out? I came across a blog by Dan Miller, the author of the book “No More Mondays”. This book is going on my to read list.
Check out all the goodness on Dan’s Blog:
http://48daysblog.wordpress.com/invention-patents-trademarks/
Thank you for reading. Comments are welcome and encouraged. Let me know what you think.
