A little more research on Smith's Mello Mint Gum and the Texas Gum Co. has yielded the following:
Texas Gum Co. factory in Temple, Texas
Federal court case between Texas Gum Co. and Autosales Gum & Chocolate Co. (owner of Colgan Gum Co.)
An article mentioning this patent infringement case
Also, thanks to an awesome board member I was able to acquire an original wrapper, which as you can see, matches the newspaper ads.