RH

Robert B. Havenga

📍 Downers Grove, IL: #480 of 824 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,871,159 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4996855 Lock mechanism Albert J. Havenga, Jr. 1991-03-05