Grindex AB Trademarks
PHASE GUARD
Filed: December 26, 1991
electronic device which automatically stops a pump if one of the electrical phases should fail
Owned by: Grindex AB
Serial Number: 74233571
ROTASENSE
Filed: December 26, 1991
electronic device which senses the electrical phase sequence of a pump and prevents it from starting if the sequence is…
Owned by: Grindex AB
Serial Number: 74233573