Robert Earl Holding was an American businessman who owned Sinclair Oil Corporation whose logo features the silhouette of what?
Sinclair Oil Corporation Sinclair Oil Corporation is an American petroleum corporation, founded by Harry F. Sinclair on May 1, 1916, as the Sinclair Oil and Refining Corporation by combining the assets of 11 small petroleum companies. Originally a New York corporation, Sinclair Oil reincorporated in Wyoming in 1976. The corporation's logo features the silhouette of a large green dinosaur.
Mark of Excellence The Mark of Excellence is an original copyrighted trademark penned by General Motors Corporation first introduced at GM's pavilion at the 1964 New York World's Fair, the logo originally included the phrase "Mark of Excellence" at the bottom, and as a decal, it was installed on the doorjambs of General Motors' vehicles beginning in 1966. This logo also was stamped on the release buttons of seat belt buckles on GM vehicles from 1967 until 1996, as well as being stamped onto the ignition and door keys from 1969 up until 2002. Originally turquoise, the color was changed to a royal blue in 1968.