Walter S. Ryan

PC Pennsylvania Rail Car: 4 patents #1 of 3Top 35%

📍 Hermitage, PA: #30 of 152 inventorsTop 20%

🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%

Overall (All Time): #1,268,693 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
6546611	Rail car anti-spin door handle and installation method	—	2003-04-15
6370734	Shoe insert for rail car sliding doors	—	2002-04-16
6070920	Center locking device for rail car plug type doors	—	2000-06-06
5009036	Box car door seal	—	1991-04-23