GS

Gregory Fred Sperbeck

📍 San Marcos, CA: #25 of 80 inventorsTop 35%
🗺 California: #8,555 of 28,370 inventorsTop 35%
Overall (2004): #267,566 of 270,089Top 100%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D494282 Door threshold — 2004-08-10