The correct answer is C. 1963.
The first successful industrial robot was installed in the General Motors Plant in USA in 1963. It was a Unimate, a robotic arm developed by George Devol and Joseph Engelberger. The Unimate was used to load and unload die casting machines, and it was a huge success. It led to the development of many other industrial robots, and it revolutionized the manufacturing industry.
Option A is incorrect because 1960 was the year that Devol and Engelberger founded Unimation, the company that developed the Unimate.
Option B is incorrect because 1961 was the year that Devol and Engelberger received a patent for the Unimate.
Option D is incorrect because 1967 was the year that the Unimate was first used in Europe.
Option E is incorrect because the Unimate was the first successful industrial robot.