Den-Con Electronics, Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Den-Con Electronics, Inc..The latest application filed is for "oilfield equipment identification method and apparatus".
- Den-Con Electronics, Inc. - Oklahoma City OK
| Patent | Date |
|---|---|
| Oilfield equipment identification method and apparatus Grant 9,534,451 - Denny , et al. January 3, 2 | 2017-01-03 |
| Oilfield Equipment Identification Method And Apparatus App 20140365129 - Denny; Lawrence A. ; et al. | 2014-12-11 |
| Oilfield equipment identification method and apparatus Grant 8,838,418 - Denny , et al. September 16, 2 | 2014-09-16 |
| Oilfield Equipment Identification Method And Apparatus App 20130297213 - Denny; Lawrence A. ; et al. | 2013-11-07 |
| Oilfield equipment identification method and apparatus Grant 8,457,929 - Denny , et al. June 4, 2 | 2013-06-04 |
| Oilfield equipment identification method and apparatus Grant 8,170,837 - Denny , et al. May 1, 2 | 2012-05-01 |
| Oilfield equipment identification method and apparatus Grant 7,606,682 - Denny , et al. October 20, 2 | 2009-10-20 |
| Oilfield equipment identification method and apparatus Grant 7,389,205 - Denny , et al. June 17, 2 | 2008-06-17 |
| Oilfield equipment identification method and apparatus Grant 6,480,811 - Denny , et al. November 12, 2 | 2002-11-12 |
| Oilfield equipment identification method and apparatus Grant 6,347,292 - Denny , et al. February 12, 2 | 2002-02-12 |
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