GM

Gregory C. Mackie

📍 Granite Falls, WA: #36 of 61 inventorsTop 60%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,983,363 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4698842 Audio processing system for restoring bass frequencies Stephen E. Satra, Chih-Ming Chen 1987-10-06