How did patents affect innovation?

a. They provided licenses for inventions.
They provided licenses for inventions.

b. They provided payments to inventors.
They provided payments to inventors.

c. They taxed inventions.
They taxed inventions.

d. They provided plans for inventions.

They provided licenses for inventions and encouraged innovation by granting inventors exclusive rights to their discoveries for a limited period of time, which allowed them to profit from their ideas and invest in further research and development. This helped to stimulate competition and drive ongoing innovation in various industries.