WK

Walter R. Karpinia

📍 Juneau, AK: #9 of 104 inventorsTop 9%
🗺 Alaska: #128 of 1,355 inventorsTop 10%
Overall (All Time): #1,272,732 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6397556 Reinforced roof shingle — 2002-06-04
6247289 Roof shingle reinforcing strap — 2001-06-19
4909237 Combined charcoal maker and starter — 1990-03-20
4417565 Fast and easy charcoal starter — 1983-11-29