Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9534451 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2017-01-03 |
| 9501623 | Prescription verification system | — | 2016-11-22 |
| 8838418 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2014-09-16 |
| 8457929 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2013-06-04 |
| 8244587 | Prescription verification system | — | 2012-08-14 |
| 8170837 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2012-05-01 |
| 7912678 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2011-03-22 |
| 7801765 | Prescription verification system | — | 2010-09-21 |
| 7606682 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2009-10-20 |
| 7389205 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2008-06-17 |
| 7062413 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2006-06-13 |
| 6973416 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2005-12-06 |
| 6687676 | Prescription verification system | — | 2004-02-03 |
| 6604063 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2003-08-05 |
| 6480811 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2002-11-12 |
| 6347292 | Oilfield equipment identification method and apparatus | Edward E. Patterson | 2002-02-12 |
| 5360967 | Oilfield equipment identification apparatus | Gregg S. Perkin | 1994-11-01 |
| 5142128 | Oilfield equipment identification apparatus | Gregg S. Perkin | 1992-08-25 |
| 4235469 | Pipe handling apparatus | James E. Aswell | 1980-11-25 |