Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6725086 | Method and system for monitoring sedation, paralysis and neural-integrity | — | 2004-04-20 |
| 5961438 | Method and apparatus for the injection disposal of solid and liquid waste materials into subpressured earth formations penetrated by a borehole | W. Thomas Ballantine, Albert H. D. Alexander, Leland D. Lakey, Frank L. Lyon | 1999-10-05 |
| 5771898 | Method and apparatus for accurate counting of paced heartbeats | — | 1998-06-30 |
| 5734988 | Method and apparatus for the injection disposal of solid and liquid waste materials into subpressured earth formations penetrated by a borehole | Albert H. D. Alexander, W. Thomas Ballatine, Leland D. Lakey, Frank L. Lyon | 1998-03-31 |