Inventor

KOTULLA BERNHARD

DE3 patents

Patents

3 patents

US4273476AJun 16, 1981

Reinforcement of armored earth work constructions

BAYER AG50 citations91

US4443132AApr 17, 1984

Anchoring of tension members

BAYER AG11 citations71

US4501516AFeb 26, 1985

Anchoring of tension members

BAYER AG4 citations60