JJ

J. Warren Barkell, Jr.

IA Inventio Ag: 1 patents #444 of 953Top 50%
📍 Latrobe, PA: #100 of 169 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,903,282 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4926974 Elevator car with improved car door clutch Arnold M. Morris, Daphne D'Zurko, Richard H. Pilsbury, Karl B. Orndorff 1990-05-22