Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781422 | Horizontal directional drilling tool | Nicholas Peter Wallis | 2023-10-10 |
| 10151148 | Composite metallic elastomeric sealing components for roller cone drill bits | David A. Curry, Terry J. Koltermann, Chih Lin | 2018-12-11 |
| 8973993 | Configurable cushion set for a seat | — | 2015-03-10 |
| 8967301 | Composite metallic elastomeric sealing components for roller cone drill bits | David A. Curry, Terry J. Koltermann, Chih Lin | 2015-03-03 |
| 6423075 | Uterine cannula and pelvic support for gynecological laparoscopy | Jiwan Steven Singh | 2002-07-23 |
| 5371912 | Floor and baseboard cleaning machine | — | 1994-12-13 |