Milestones in the successful development of tyre protection chains

2008 Property rights
Patent application: 05.09.2008
Inventor:Dr. Hansjörg Rieger, Johannes Werner Rieger, Zvonimir Bogdan

2005 Property rights
Patent application: 03.03.2005
Inventor: Dr. Hansjörg Rieger, Zvonimir Bogdan

2001 Property rights
Patent application: 30.01.2001
Inventor: Erhard Weidler, Werner Deger

1997 Property rights
Patent application: 11.01.1997
Inventor: Anton Müller, Manfred Uhl

1989 Property rights
Patent application: 23.03.1989
Inventor: Anton Müller, Hubert König

1982 Property rights
Patent application: 14.09.1982
Inventor: Günter Friedewald

1971 Property rights
Patent application: 04.11.1971
Inventor: Dr. Hansjörg Rieger

1964 Property rights
Patent application: 14.08.1964
Inventor: Anton Müller, Hubert König, Alfred Kraus

1964 Property rights
Patent application: 22.05.1964
Inventor: Werner Rieger

1962 Property rights
Patent application: 17.05.1962
Inventor: Hans-Walter von Elert

1957 Property rights
Patent application: 23.02.1957
Inventor: Gustav Bayer

1955 Property rights
Patent application: 21.09.1955
Inventor: Werner Rieger

1943 Property rights
Patent application: 04.01.1943
Inventor: Fritz Hetz