The company exported paper products worldwide to South America, India, Indonesia, China, Japan, the Middle East and Australia.
Later for his philanthropic ventures Emperor Franz Josef I also granted him the title of noble, which allowed him to bear the name Robettin (in Czech: Robětín), Roděk or Roněk, compounded with the German prefix "Fuchs Edler von Robbetin", and also a coat of arms.
[4] Karel studied at the Czech Technical University in Prague and started to play tennis there at his college years.
[5] After World War I the family moved from Austria to Czechoslovakia and officially changed their name to Fuchs-Robětín (a nominal form that was rejected by Austrian Aristocratic department of the ministry before).
[4] At the age of nineteen he was one of the many Bohemians who competed in the international lawn tennis tournament of the Hungarian Athletics Club of Budapest.
[9] The same year he played at the World Hard Court Championships but fell in the first round in singles but reached the quarterfinals of the consolation tournament but was beaten by Marius van der Feen.
[10] In doubles he met Henri Cochet and Jean Borotra in the second round but the French world class team proved to be too strong for him and his Czech teammate Pavel Macenauer.
As any international sports meetings had ceased including tennis and hockey, which encompassed actually one and the same group of athletes gather daily at the club and diligently trained as domestic competition continued during the war.
All this resulted in the season 1940 – 1941 the club's victory over an age-old rival LTC Prague (2:1) and hence triumphed in the Protectorate hockey league.