DB

Donald T. Bray

DS Desalination Systems: 2 patents #1 of 3Top 35%
NS Nimbus Water Systems: 1 patents #1 of 2Top 50%
📍 Escondido, CA: #5 of 51 inventorsTop 10%
🗺 California: #293 of 10,592 inventorsTop 3%
Overall (1989): #11,112 of 140,708Top 8%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4842724 Water purification apparatus Richard A. Simonis 1989-06-27
4842736 Spiral wound membrane David H. Hopkins 1989-06-27
4828708 Semipermeable membranes — 1989-05-09