Thanks flying free! Interesting to see a green bottle, although to me it looks blue. Not a lot of information on Dressler - I found this information on the Great-Glass Co UK website, hope it is okay to copy here. So yes, he could have been a distributor of them.
Dressler, Eduard
Schreibendorf, Germany (1868 - early 20th C)
Also Josefstal, Czechoslovakia. Manufacturer of pressed & hand-blown glassware, & refiner of blanks produced by the Josephinenhütte & other glassworks