Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8518434 | Antiseptic spermicidal composition and means for its application | George Livingston, David Thornburgh | 2013-08-27 |
| 6769484 | Downhole expandable bore liner-filter | — | 2004-08-03 |