Inventor · Wil, CH

Fredi Widmer

4Patents
4h-index
3Co-inventors
47Inventor score

Filing activity: Dec 2, 1981 → Oct 24, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US6182865A Device for storing a liquid co-operable with a spray dispenser, and spray dispenser comprising said device Performing Operations; Transporting 43 Expired
US8079770B2 Cleaning tool with fluid delivery device Human Necessities 36 Active
USD273661S Bottle General 18 Expired
US5273186A Dispensing device for liquid detergent Physics 16 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.