RR

Robert R. Roelofs

📍 Allen Park, MI: #6 of 15 inventorsTop 40%
🗺 Michigan: #2,040 of 6,958 inventorsTop 30%
Overall (2025): #235,908 of 469,880Top 55%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12188130 Acid zinc sulfate metal pretreatment Jennifer Kim 2025-01-07