DZ

Derek Zahajko

📍 Maple Valley, WA: #181 of 309 inventorsTop 60%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #2,767,936 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11208615 Asphalt surface cleaning composition with bitumen rehardening and method Michael Zahajko, Kimball Garvin, Eric Jensen 2021-12-28