DR

Douglas Duane Roth

HH Hna Holdings: 1 patents #1 of 4Top 25%
📍 Matthews, NC: #3 of 28 inventorsTop 15%
🗺 North Carolina: #376 of 3,093 inventorsTop 15%
Overall (2002): #67,396 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6426128 Co-processable multi-layer laminates for forming high strength, haze-free, transparent articles and methods of producing same Robert M. Kimmel, Arno Wolf, John Arthur Penoyer 2002-07-30
6408576 Arch mold apparatus and method for making arches 2002-06-25