Inventor
PRAUS GERD
DE4 patents
Patents
4 patentsUS5759974AJun 2, 1998
Block-form cleaners for flush toilets
HENKEL KGAA155 citations97
US4820449AApr 11, 1989
Cleaning block for flush toilet tanks
HENKEL KGAA74 citations95
US4578207AMar 25, 1986
Two component cleaner and disinfectant tablet
HENKEL KGAA128 citations95
US4683072AJul 28, 1987
Two-component cleaner and disinfectant tablet
HENKEL KGAA116 citations94