DA

Douglas H. Angel

VA Voith Sulzer Paper Technology North America: 3 patents #9 of 28Top 35%
📍 Concord, NC: #110 of 366 inventorsTop 35%
🗺 North Carolina: #14,587 of 45,564 inventorsTop 35%
Overall (All Time): #1,612,216 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6623601 Roll for paper-making machine Edwin X. Graf, Daniel J. Foster 2003-09-23
6339883 Method of making a roll for paper-making machine Edwin X. Graf, Daniel J. Foster 2002-01-22
6299733 Roll with composite material roll shell and head in a paper-making machine Edwin X. Graf, William Witte 2001-10-09