I was working in my shop, when all of a sudden it hit me - why not try googling the Greyhound's patent date? So I did and got one of the drawings (below) with a copy of the intro to the patent description. Mystery solved!
Thanks for all of your input.
Patent Drawing - '36 Greyhound by
TagMan, on Flickr
Jan. 7, 1936. s. FAlTl-l ET A1.
. AUTOMOBILE ACCESSORY Filed May 9, 1935 23 [5%.: /7 I lilium l Wl N/ Patented Jan. 7, 1936 UNITED STATES PATENT OFFICE Ill., assignors to Faith a corporation of Illinois Mfg. Co., Chicago, Ill.,
Application May 9, 1935, Serial No. 20,580 1 Claim. (ci. 248-205) 'I'his invention relates in general to automobile accessories and more particularly to a distinctive ornament or decorative accessory adapted to be readily attached to the existing ornament provided on the radiator shell of a well-known make of car.
A principal object of the invention is the provision of a distinctive ornament which may be quickly and easily attached to the common or standard ornament with which4 the radiator shell of the automobile -is equipped, using the standard ornament as a base or support therefor, which is peculiarly adapted to t over the particular standard ornament, and is so secured thereto as to prevent ready detachment thereof."