About the two things one can say regarding a closure from one company on another company's bottle:
Some person put the stopper on the bottle some years after the business closed. Despite the language on the bottle that it cannot be reused, bottles were reused.
Perhaps Schlich bought out Scholler at some point and kept using his bottles.
Regarding info. on the business itself - Tod von Mechow has documented over 1600 Philadelphia brewers so we know there were lots of small brewers. The important thing to note is small family operations /tiny proprietorships.
If you are lucky, you can dig into City Directories of the era and hope to find a listing for the business and use this to date when Scholler operated. If luckier still, you can find an advertisement in a directory or newspaper that might shed light on what they produced.
What most researchers find is that many small businesses of the 19th century were indeed quite small and did not produce much, if anything, in the way of printed materials. Only the bigger firms like Drake's Plantation or H.H. Warner and the like leave us with printed materials.
