Patents/Inventors

Renato Teixeira Vargas

Sao PauloBR2 patents

3 Patents

US123449982025
Railroad Sleeper and Process for Manufacturing a Railroad Sleeper
Braskem S.A.
0 cites
US120717322024
Railway Sleepers and Methods Thereof
Braskem S.A.
0 cites
US116495922023
Railroad Sleeper and Process for Manufacturing a Railroad Sleeper
Braskem S.A.
0 cites