JP

Julius I. Pershwitz

AI Amsted Industries Incorporated: 2 patents #58 of 219Top 30%
AK Asf Keystone: 2 patents #5 of 21Top 25%
KI Keystone Industries: 1 patents #6 of 11Top 55%
📍 Grantham, PA: #1 of 3 inventorsTop 35%
🗺 Pennsylvania: #15,920 of 74,527 inventorsTop 25%
Overall (All Time): #1,031,911 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7263930 Railway truck suspension design Thomas R. Berg 2007-09-04
7174837 Three-piece motion control truck system Thomas R. Berg, Nathan Reese, Ralph H. Schorr, Jeffrey Ruback 2007-02-13
6681943 Railcar draft gear assembly and system Ronald E. Barker, Charles E. Burkhart, Marlin E. Clark, John F. Deppen, V. Terrey Hawthorne +3 more 2004-01-27
6446820 Railcar draft gear assembly and system Ronald E. Barker, Charles E. Burkhart, Marlin E. Clark, John F. Deppen, V. Terrey Hawthorne +3 more 2002-09-10
5927523 Rail car buffer Russell J Huggins, Mark P. Scott 1999-07-27