CM

Charles A. McDonnell

📍 New City, NY: #199 of 319 inventorsTop 65%
🗺 New York: #67,335 of 115,490 inventorsTop 60%
Overall (All Time): #3,682,160 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5743355 Retractable ladder Leonard Silverman 1998-04-28