2 trademarks were found for owners matching the name Superior Graphite Company.
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1 TM: 1049243
Desc: DESULCO
Owner: Superior Graphite Company
Class: 1, 4
Status: Protected: Renewal due
2 TM: 1044125
Desc: SUPER G
Owner: Superior Graphite Company
Class: 1
Status: Protected: Renewal due