Stephen David Watkins — 8 Patents at Quest International B.V.

Stephen David Watkins has been granted 8 US patents while listed as an inventor at Quest International B.V.. The first was granted in 1997 and the most recent in February 2023. Stephen David Watkins ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Stephen David Watkins in Ashford, GB.

Patents per Year

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date
11591542	Fragrance composition and sanitary or incontinence article	Sarah Birch	2023-02-28
8288441	Compositions comprising a physiological coolant	Michael Steven Watson, Sander Tondeur	2012-10-16
7238210	Non-oxidative hair coloring using yogurt	Heather Eyre	2007-07-03
6589516	Compositions containing Boswellia extracts	Heather Eyre, Maxine Jayne Hills	2003-07-08
6451844	Use of menthyl-2 pyrrolidone-5-carboxylate as an insect repellent	Maxine Jayne Hills, Richard Arthur Birch	2002-09-17
5770189	Use of dibutyl malate as insect attractant	Michael John Airey, Angela Janousek, Erich Klein	1998-06-23
5656668	Hydroxy alkyl amides of dicarboxylic acids and their use in cosmetic compositions	Keith R. Motion, Angela Janousek	1997-08-12
5635190	Solubilizing agents	Peter Samuel James Cheetham, Thalie De Graaf, Angela Janousek, Erich Klein	1997-06-03