Only two prototypes were made and, though articles of incorporation for the Gray Light Car Corporation were filed in July, it never reached production.
[1] Company officers were given as Gray, H M Koutz, G E Gumston, E J Kiel, and J H Vickery.
[2] Gray continued to promote the cars into early 1921, but was unable to raise sufficient interest or the $1 million capital to proceed.
He had planned to start producing 25 automobiles per day at a 14,000 square foot factory in Longmont once the price of steel had stabilized.
[4] He did set up an experimental testing station at the McFarlane-Eggers Machinery Company on the corner of 28th and Blake Street, Denver.