BK

Barry R. Knowlton

TC Trichromatic Carpet: 4 patents #2 of 3Top 70%
📍 Brampton, CA: #90 of 1,005 inventorsTop 9%
Overall (All Time): #761,226 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6225403 Method and composition for treating fibrous substrates to impart oil, water and dry soil repellency 2001-05-01
5941184 Controlled thermal oxidation process for organic wastes Lucy Casacia, Frank Sherman 1999-08-24
5886089 Grip and friction enhancement compositions 1999-03-23
5756407 Stain resistant polyamide substrate treated with sulfonated phosphated resol resin Yassin Elgarhy 1998-05-26
5549963 Polyamide materials with durable stain resistance Yassin Elgarhy 1996-08-27
5457259 Polyamide materials with durable stain resistance Yassin Elgarhy 1995-10-10
5073442 Method of enhancing the soil- and stain-resistance characteristics of polyamide and wool fabrics, the fabrics so treated, and treating compositions Yassin Elgarhy 1991-12-17