| Super League 1992 Relegation group B - Appearances as Referee |  |
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 |
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| 22/03/1992 | FC La Chaux-de-Fonds | - | FC Luzern | 2:3 | 3 | - | - |
| 16/05/1992 | FC Wettingen | - | FC Bulle | 0:3 | 5 | - | - |
| Super League 1992 Relegation group B - Appearances as Referee | |
|
|
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| 22/03/1992 | FC La Chaux-de-Fonds | - | FC Luzern | 2:3 | 3 | - | - |
| 16/05/1992 | FC Wettingen | - | FC Bulle | 0:3 | 5 | - | - |
| Complete name: | Serge Muhmenthaler |
| Born: | 20/05/1953 |
| Place of birth: |
Grenchen, 
Switzerland |
| Nationality: |
Switzerland |
| Bundesliga (GER) appearances: | 4 |