22 Utility Patents
#1 in Nailsworth
#2,073 in United Kingdom
#147,832 in the World
Forward Citations = 1,314
Company Filing History:
Camco Drilling Group Limited
Nl Petroleum Products Limited
Reed Tool Company
4. 3 out of 319

5. 2 out of 8
Camco Drilling Group Limited of Hycalog
where one patent can have more than one assignee
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