DH

Douglas Lee Harkey

MH Mattur Holdings: 2 patents #2 of 2Top 100%
📍 Scottsdale, AZ: #1,390 of 3,386 inventorsTop 45%
🗺 Arizona: #13,050 of 32,909 inventorsTop 40%
Overall (All Time): #1,729,354 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12378679 Hydroxy gas generator Kris Kesler 2025-08-05
11885030 Hydroxy gas generator Kris Kesler 2024-01-30