HH

Herbert Hartgrove

PG Polytec Gmbh: 2 patents #4 of 35Top 15%
📍 Dunn, NC: #1 of 6 inventorsTop 20%
🗺 North Carolina: #296 of 2,876 inventorsTop 15%
Overall (2005): #54,373 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6930064 Flame-retardant imaged nonwoven fabric Sergio De Leon, Samuel Keith Black, Friso Joost Hijenga 2005-08-16
6905524 Method of continuously dyeing nonwoven fabrics and the products thereof Sergio De Leon 2005-06-14