What immediately came to my mind is graham flour, which is used to make graham crackers. This is a type of whole-meal flour, supposedly more healthy, invented in the late 19th century by a physician named Graham.

Then there are automobiles: Ford, Chevrolet, Studebaker, Dodge, Kaiser, Henry J (this and the preceding being named for the same person), Frazier, Oldsmobile and Reo (for Ransom E. Olds), Benz, Duesenberg, Citroen, Panhard, Morris, Rolls-Royce, etc. etc., as well as Harley-Davidson.