A manufacturer or seller of a product may identify its merchandise and bar others from using the same identification by getting a
a. franchise.
b. trademark.
c. patent.
d. copyright.

Respuesta :

A manufacturer or seller of a product may identify its merchandise and bar others from using the same identification by getting a B. TRADEMARK.

Trademarks are recognized signs or designs that are related to a specific product or service. This sign differentiates the owner from other companies. 

Examples of trademarks are brand, logo, or company or product name.