William A. Spurr

UC Urban Transportation Development Corp.: 1 patents #6 of 16Top 40%

Overall (All Time): #3,898,937 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4911360	Precast railway crossing slab	—	1990-03-27