2 trademarks were found for owners matching the name The Ross Operating Valve Co.
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1 TM: 157655
Desc:
Owner: The Ross Operating Valve Co.
Class: 6
Status: Removed
Not renewed: Renewal fee not paid
2 TM: 157656
Desc:
Owner: The Ross Operating Valve Co.
Class: 7
Status: Removed
Not renewed: Renewal fee not paid