DS

Donald R. Songras

NO Novinium: 1 patents #3 of 14Top 25%
📍 Kent, WA: #29 of 99 inventorsTop 30%
🗺 Washington: #4,054 of 12,572 inventorsTop 35%
Overall (2023): #459,950 of 537,848Top 90%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11561023 Ventilation system for manhole vault Glen J. Bertini 2023-01-24