Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6701861 | Semi-submersible floating production facility | Joe W. Key, Paul Ray Geiger, Sr., Calvin Vinal Norton | 2004-03-09 |
| 4342343 | Method of making a negative lead-acid storage battery plate | Richard Hammar, Douglas J. Harvey | 1982-08-03 |