Inventor

SCHERP ERNST

DE4 patents

Patents

4 patents

US4897443AJan 30, 1990

Polysulfide sheeting

RUETGERSWERKE AG7 citations69

US4780362AOct 25, 1988

Bituminous roofing strip

RUETGERSWERKE AG11 citations69

US4774115ASep 27, 1988

Bituminous strip for bridge-sealing

RUETGERSWERKE AG5 citations58

US5013591AMay 7, 1991

Building sheeting and method of its manufacture

RUETGERSWERKE AG3 citations51