MS

Mark Shalkevich

CC Circle Seal Controls: 2 patents #1 of 8Top 15%
📍 Burbank, CA: #649 of 2,041 inventorsTop 35%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,217,414 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6439334 Alternative fuels vehicle and fuel-system valve used therein David P. Myers 2002-08-27
5743285 Gas cylinder thermal relief valve — 1998-04-28