RH

Roald G. Heyman

📍 New York, NY: #11,395 of 20,192 inventorsTop 60%
🗺 New York: #67,335 of 115,490 inventorsTop 60%
Overall (All Time): #4,066,000 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4317967 Fault isolation device Paul Alexander De Vries, Steven Gewitz 1982-03-02