Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8685493 | Process for forming a non-stick surface on the interior surface of a pipe | Laurence Waino McKeen, Kimberly Dawn Farnsworth, W. Douglas Obal | 2014-04-01 |
| 8453740 | System of pipes for use in oil wells | Steven A. Mestemacher, Kimberly Dawn Farnsworth, Laurence Waino McKeen, W. Douglas Obal | 2013-06-04 |
| 8211497 | Process for forming a nonstick surface on the interior surface of a pipe | Laurence Waino McKeen, Kimberly Dawn Farnsworth, W. Douglas Obal | 2012-07-03 |
| 7870877 | Coated pipes for harsh environments | Laurence Waino McKeen, Steven A. Mestemacher, Kimberly Dawn Farnsworth, W. Douglas Obal | 2011-01-18 |
| 7588058 | Coated pipes for harsh environments | Laurence Waino McKeen, Steven A. Mestemacher, Kimberly Dawn Farnsworth, W. Douglas Obal | 2009-09-15 |
| 6123999 | Wear resistant non-stick resin coated substrates | Vinci Martinez Felix, William McHale | 2000-09-26 |