DS

Duane C. Steele

HL Henkel Limited: 2 patents #260 of 861Top 35%
HP Hooker Chemicals & Plastics: 1 patents #31 of 117Top 30%
📍 Sterling Heights, MI: #419 of 1,485 inventorsTop 30%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,658,880 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5250230 Composition and process for cleaning metals William C. Strickland 1993-10-05
5242714 Process for forming protective base coatings on metals William C. Strickland 1993-09-07
4349448 Low temperature low foaming alkaline cleaner and method 1982-09-14