William Storer has only come to light as a ‘profilist’ due to a patent that he took out on 4 March 1778. This was for an ‘Accurate Delineator’ used for ‘drawing the human face’. This patent lasted for 14 years, and is not known to have been renewed. There are no profiles by Storer known to exist.
Source: McKechnie (Author of, British Silhouette Artists and their Work 1760-1860)
Storer, William (McKechnie Section 1)