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Den-Con Tool Company Patent Filings

Den-Con Tool Company

Patent Applications and Registrations

Patent applications and USPTO patent grants for Den-Con Tool Company.The latest application filed is for "oilfield equipment identification method and apparatus".

Company Profile
0.4.0
  • Den-Con Tool Company - Oklahoma City OK
  • Den-Con Tool Co. - Oklahoma City OK
  • Den-Con Tool Company - Orange CA
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Oilfield equipment identification method and apparatus
Grant 7,062,413 - Denny , et al. June 13, 2
2006-06-13
Oilfield equipment identification method and apparatus
Grant 6,973,416 - Denny , et al. December 6, 2
2005-12-06
Pipe alignment apparatus
Grant 5,595,248 - Denny January 21, 1
1997-01-21
Pipe handling apparatus
Grant 4,235,469 - Denny , et al. November 25, 1
1980-11-25
Company Registrations

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