JM

John F. McDowell

BL Betz Laboratories: 2 patents #88 of 225Top 40%
📍 Spring, TX: #948 of 2,039 inventorsTop 50%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,311,750 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5147555 Methods of controlling scale formation in aqueous systems J. Michael Brown, Kin-Tai Chang 1992-09-15
5062962 Methods of controlling scale formation in aqueous systems J. Michael Brown, Kin-Tai Chang 1991-11-05