Granting of permit

After any manufacturer of mercury-in-glass clinical thermometers has fulfilled all the requirements of section 21a-63-1, the State Commissioner of Consumer Protection shall grant a permit to such manufacturer to sell clinical thermometers of his manufacture that meet the specifications and tolerances herein established. For the purposes of these requirements, specifications and tolerances, an individual, a firm or a corporation shall not be considered a manufacturer unless engaged in the business of engraving, either by etching and filling or by staining, and testing clinical thermometers.