-
-
Lavatory cleaning block
-
Patent number 5,395,546
-
Issue date Mar 7, 1995
-
Block Drug Company, Inc.
-
John H. C. Hung
-
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
-
-
Delayed action drain cleaner compositions
-
Patent number 5,008,029
-
Issue date Apr 16, 1991
-
Block Drug Company Inc.
-
Robert Carmello
-
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
-
-