Round Brackets. Round brackets (also called parentheses, especially in American English) are mainly used to separate off information that isnât essential to the meaning of the rest of the sentence. If you removed the bracketed material the sentence would still make perfectly good sense.
Now owned by the Dr Pepper Snapple Group, Vernors was first made in the late 1800s. According to company history, it was invented in 1866, though Serious Eats notes its 1911 trademark application says it first entered the market 1880. Either way, that's pretty old -- older than Coca-Cola or Dr Pepper.
By that point the McDonald's version of how the company was founded involved just one man: Ray Kroc. If you believe the official version on the McDonald's website, the business was founded in 1955, the year that Kroc opened his first restaurant in Des Plaines, Illinois. But by that stage the McDonald brothers had been serving happy customers from their first outlet 15 years.