RH

Robert A. Holzrichter

📍 Chicago, IL: #82 of 382 inventorsTop 25%
🗺 Illinois: #802 of 3,813 inventorsTop 25%
Overall (1989): #35,343 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4870529 Active arc protection circuit Robert J. Powell 1989-09-26