(Retrieved from the U.S. Patent Office Archives — File 84-119L, “Longfellow, R.”) H.J. Heinz Company 600 Grant Street Pittsburgh, Pennsylvania 15219 Attn: Research & Development June 1, 1984 Esteemed Lords of All Things Luscious and Crimson, First off, allow me to say that Heinz Ketchup has been a staple of the Longfellow pantry for as long as I can remember. It was the staunch anchor of a holy trinity that included Hellmann’s Mayonnaise and Gulden’s Spicy Brown Mustard. My mother took pride in serving what she called “the slowest ketchup in the world.” When Carly Simon sang about it, she…