Donald Trump has a beef with people who question whether he's in the meat business, but what he peddled at a victory rally this week doesn't appear to be Trump Steaks.

The trademark the Republican presidential front-runner took on Trump Steaks in August 2006 was canceled eight years later, in December 2014, according to the U.S. Patent and Trademark Office.

The supposed Trump Steaks that the GOP front runner trotted out Tuesday after notching primary victories in Mississippi and Michigan are actually from Bush...