Other manufacturers had their own distinct designs with tunable bells, although some, like Kühnl & Hoyer, seemed to copy designs like the Bach one:
Type: Flügelhorn
Brand: Kühnl & Hoyer
Maker: Kühnl & Hoyer/VEB Sachsen [parts]
Model: [?]
Model №: 2014
Where made: Markt Erlbach, [West] Germany/Markneukirchen, [East] Germany [parts]
Dates of manufacture: [mid-20th century]
The "Germany" bell mark is the kind K&H used in the 1990s, though this model had existed for many years.
Type: Cornet
Brand: Glassl [Heribert Glassl/Musik Glassl]
Maker: Kühnl & Hoyer/VEB Sachsen [parts]
Model: [?]
Where made: Nauheim, [West] Germany/Markneukirchen, [East] Germany [parts]
Dates of manufacture: [mid-20th century]
Type: Flügelhorn
Brand: Exakta (by A. K. Wunderlich)
Maker: A. K. Wunderlich
Model: Exakta
Model №: [none]
Where made: Markneukirchen, Germany
Dates of manufacture: 1938-1948 [approx. - "A. K. Wunderlich" mark indicates post-1938 instruments, but MIGMA [later VMI?] was the distributor indicated on the bell in the late 1940s]