RL

Roy H. Landem

📍 Vernon Hills, IL: #311 of 549 inventorsTop 60%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,362,032 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4381046 Fire escape ladder storage and deployment device — 1983-04-26
4237654 Fire escape window system Michael J. Connolly 1980-12-09