BJ

Bernard A. Johnston

📍 Downers Grove, IL: #9 of 64 inventorsTop 15%
🗺 Illinois: #289 of 3,813 inventorsTop 8%
Overall (1989): #30,729 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4875316 Combination metal and wood window frame assembly 1989-10-24
4821786 Reelable door closure 1989-04-18