Inventor · disambiguated record
Fredi Widmer
Also filed as: WIDMER FREDI · WIDMER FREDI D
4 granted patents·168 citations·filing 1981–2007
81Inventor score
Top patents by PatentIndex Score
4 records- 0187US8079770B2Cleaning tool with fluid delivery deviceWIDMER FREDI D·Filed 2007·Granted Dec 20, 2011·40 cites·11 claims
- 0286US6182865B1Device for storing a liquid co-operable with a spray dispenser, and spray dispenser comprising said deviceDEVERSEY LEVER INC·Filed 1998·Granted Feb 6, 2001·86 cites·16 claims
- 0380USD273661SBottleHART CHEMICAL LTD·Filed 1981·Granted May 1, 1984·19 cites·1 claims
- 0450US5273186ADispensing device for liquid detergentUNILEVER PATENT HOLDINGS·Filed 1992·Granted Dec 28, 1993·23 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →