HL

Harold P. Ludwig

DT Dynamet Technology: 1 patents #1 of 4Top 25%
📍 Woburn, MA: #1 of 9 inventorsTop 15%
🗺 Massachusetts: #582 of 2,831 inventorsTop 25%
Overall (1989): #108,211 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4852531 Titanium poppet valve Stanley Abkowitz, Harold L. Heussi, Stephen Kraus 1989-08-01