Who created this invention?
Who created the curtain rod?
Samuel R. Scottron
What did Andrew Jackson Beard invent?
flour mill, a rotary steam engine, and two kinds of plows
What job did Reatha Clark King have?
American Chemist
Who invented Synthetic Cortisone and steroids
Percy Lavon Julian/Percy Julian
What did Benjamin Banneker invent?
all-wooden striking clock and reverse mortgage in America
Who created Traffic lights and the gas mask
Garrett Morgan
What did Charles Drew invent?
Blood Plasma
What job did Andrew Jackson Beard have?
American Inventor
Who created the gamma electric cell?
Henry Sampson
What did Patricia Bath invent?
Laserphaco
Who invented electric elevator doors?
Alexander Miles
What job did Samuel R. Scottron have?
American Inventor🤔?
Who created the Urinalysis machine?
Dewey Sanderson
What did John Standard invent?
Oil Stove
What job did Benjamin Banneker have?
American Author
What did Alexander Miles invent?
Electric elevator doors
Who created the colid tube for rocket fuel?
Reatha Clark King
What job did Alexander Miles have?
Inventor
Who created Blood Plasma?
Charles Drew