Speaking of J. G. Brill, here is a Brill-manufactured diner from the 1940s as it looked in 2000. It is at 323 Main Street, Wakefield, South Kingston, RI. A quick Google check shows that it looks even less like a trolley-inspired building now than it did when I took this photo:
In 2000 it was the Kiddie Closet. Now it's the "velvet [sic] Revolution: wardrobe revival".
UPDATE: Here's the side view for more of that Brill trolley feel:
