SH

Steven R. Hein

📍 Vancouver, WA: #1,061 of 1,812 inventorsTop 60%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,869,063 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4989561 Method and apparatus to clean the intake system of an internal combustion engine Sidney R. Clack, Joel L. Burrows 1991-02-05