[Posted to nacsonline.com by Pat Pape]
The ubiquitous roller grill manages to stay relevant amid a host of new foodservice options.
When MIT grad Calvin MacCracken died in 1999, he held 90 patents for significant inventions, including the regulating system used in early spacesuits. But perhaps the invention for which Calvin is best remembered is the hotdog roller grill, a minor engineering marvel that has helped the convenience store industry provide busy customers with more convenience and extra food selections.
Read more at nacsonline.com.