(Winzererstraße 40?) Schleißheimerstraße 185, Munich. Bavaria.
Porzellan- und Glasmalerei. Spezialist für Militär- und Handwerkerkrüge / Porcelain and glass decoration. specialist in military and occupational steins
The business was known to exist in 1922 and was thought to have closed in 1943.
Michael Bergmann was the surviving brother from the Gebrüder Bergmann.
Known to be situated in Schleißheimerstraße 185 between 1922 and 1941. The street was spelt Schleißheimer Straße, probably from the mid 1920's.
Karl Rau was at Schleißheimer Straße 185, from 1946.
Purchased stein bodies from: Marzi & Remy
Decorated for Martin Pauson
Reference:
Contract bricklayer's occupational stein made for Martin Pauson & signed by Michael Bergmann, dated 29th July 1929. 
In old German handwriting, e.g. Kurrentschrift, the macron(dash) over the "n" in the above signature, translates as "nn" in modern text; hence "Bergmann" 
"M. Bergmann, Munich. Schleißheimerstraße 185". .
In old German handwriting, e.g. Kurrentschrift, the macron(dash) over the "n" in the above signature, translates as "nn" in modern text; hence "Bergmann" 
Artist's signature on Marzi & Remy stoneware stein 
Occupational stein celebrating the graduates of the class passing out of the State Farrier / Smithy Class, in Geißen, Upper Hesse (now Hesse), dated the 31st November 1933.
Decorator's signature and address under the handle of the stein above. 