Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7490684 | Self-propelled infant stroller | Gretchen Seymour | 2009-02-17 |
| 7431348 | Subsurface drill string | William L. Casper, Don Clark, Blair K. Grover, Rodney Mathewson | 2008-10-07 |
| 7178391 | Insertion tube methods and apparatus | William L. Casper, Blair K. Grover, Rodney Mathewson, Don Clark | 2007-02-20 |