DN

Douglas A. Newberg

NT Nl Technologies: 2 patents #1 of 1Top 100%
📍 Annapolis, MD: #5 of 40 inventorsTop 15%
🗺 Maryland: #238 of 2,389 inventorsTop 10%
Overall (2003): #69,498 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6601823 Sanitary drain valve design 2003-08-05
6532981 Dip tube valve assembly 2003-03-18