When was barb wire patented? – McqOptions

MCQOPTIONS

1.	When was barb wire patented?
A.	1874
B.	1840
C.	1895
D.	1900
Answer» B. 1840

Discussion

No Comment Found

Related MCQs

What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?
This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.
What now ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?
Who discovered the first practical method of freezing food?
What type of system didPaul Nipkow, John Baird, and Charles Jenkins all invent?
William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________
Who made corn flakes at first?
Who synthesized the first wholly artificial gene?
When was the Raggedy Ann doll patented?
What device for new parents did Ann Moore invent in 1969?