Inventor

WIEDENMANN WALTER

DE3 patents

Patents

3 patents

US6187179B1Feb 13, 2001

Outside filter, in particular for aquarium

EHEIM GMBH & CO KG40 citations89

US5277800AJan 11, 1994

Inner filter for aquarium

EHEIM GMBH & CO KG25 citations89

US5404840AApr 11, 1995

Covering device for an aquarium, terrarium or similar vivarium

EHEIM GMBH & CO KG16 citations68