GH

Gunnar I. Helberg

The Dow Chemical: 2 patents #1,449 of 4,115Top 40%
📍 Lake Jackson, TX: #479 of 948 inventorsTop 55%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,330,304 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4825942 Heat exchanger with novel seal for tube sheet — 1989-05-02
4778003 Heat exchanger with novel seal for tube sheet — 1988-10-18