What did cardiologist Dr. Paul Zoll invent in Massachusetts in 1952?
EKG
Artificial heart valve
Artificial heart
Pacemaker
Additional Questions
|
What Elmer A. Sperry invented? |
Answer |
|
For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what? |
Answer |
|
Who developed the idea of Crop Rotation? |
Answer |
|
CORN FLAKES - Who made them first? |
Answer |
|
William Frederick is credited with the invention of the modern frisbee in the mid 1950s. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________? |
Answer |
|
Who came up with the idea for INSTANT MASHED POTATO? |
Answer |
|
Who invented Dynamite? |
Answer |
|
What toy did George Lerner create for Hasbro company in 1952? |
Answer |
|
For whom high heeled shoes were invented? |
Answer |
|
What African-American inventor received 5 patents in the field of shoemaking? |
Answer |