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John Spakousky

📍 Soldotna, AK: #4 of 23 inventorsTop 20%
🗺 Alaska: #269 of 1,355 inventorsTop 20%
Overall (All Time): #2,185,580 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6978581 Composite building block with connective structure — 2005-12-27
5983585 Building block with insulating center portion — 1999-11-16