Dayton, Ohio
United States
3
2005-09-01
3
2006-02-21
These are the the leading inventors for applications assigned to Con/Span Bridge Systems Ltd:
Con/Span Bridge Systems Ltd based in Dayton, US has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Precast concrete retaining wall
#2 | 2005-06-09 ✅ Patent 6,962,465 granted on 2005-11-08Method for improving the environment within soil embedded culvert and bridge systems
#3 | 2005-02-15 ✅ Patent 6,854,928 granted on 2005-02-15Precast concrete culvert system
361562 ⎘