Walter S. Ryan

PCPennsylvania Rail Car: 1 patents #1 of 1Top 100%

Hermitage, PA: #1 of 4 inventorsTop 25%

Pennsylvania: #1,500 of 5,512 inventorsTop 30%

Overall (2002): #93,924 of 266,432Top 40%

1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6370734	Shoe insert for rail car sliding doors	—	2002-04-16