Patents/Inventors

Sven Vallgren

HelmondNL3 patents

4 Patents

US124867232025
Weep-hole Drilling
Concore BV
0 cites
US122094602025
Weep-hole Drilling
Concore BV
0 cites
US118281102023
Weep-hole Drilling
Concore BV
0 cites
US115727412023
Weep-hole Drilling
Concore BV
0 cites