JH

John K. Hemingway

📍 Phoenix, AZ: #2,590 of 6,660 inventorsTop 40%
🗺 Arizona: #13,050 of 32,909 inventorsTop 40%
Overall (All Time): #2,247,216 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5879558 Water conserving reverse osmosis unit and method of operating it Jerry Monroe 1999-03-09
5639374 Water-conserving pressure-maintaining reverse osmosis system Jerry Monroe 1997-06-17