HW

Henry Watanabe

SC Stepan Chemical: 2 patents #1 of 13Top 8%
📍 Vernon Hills, IL: #311 of 549 inventorsTop 60%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,358,237 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4452731 Cleaner for ovens and the like using sodium alpha olefin sulfonate and sodium silicate Andrew Schultz 1984-06-05
4451393 Cleaner for ovens and the like using sodium alpha olefin sulfonate, sodium hydroxide, and sodium silicate Andrew Shultz 1984-05-29