2 trademarks were found for owners matching the name Grendahl Mechanical LLC.
#Classstatus
1 S:87720473
M:BUILT DATA I/O

O:Grendahl Mechanical LLC
37 Registered
2 S:86735817
M:DESIGN CONSTRUCTION OWNERSHIP

O:Grendahl Mechanical LLC
37 Dead
Trademark Alertz updated from USPTO on 2030-01-24