There are many.
Ordinary people from all walks of life invent things everyday not just scientists
Gregorio Zara is one of the Filipino scientists. He invented the videophone.
A new way for artists, scientists, and journalists to communicate
Ever since the first ipod was invented people/scientists/workers have been joining ideas to make an invention.
No one invented voltage. It has always existed, as evidenced by thunder storms. Scientists have merely been able to describe how it is caused.
The invention of the microscope
invention
invention
invention
microscope
The first invention invented on earth is Stone tools, invented 2,600,000 years ago. It was found in 1969 in Kenya.
The first man made satellite was launched into space in 1957. It was put there by a consortium of Russian scientists. No specific person is credited with the invention of the first satellite.
What invention was invented in 300 bc