Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604891 | 3-D acoustic infinite element based on a prolate spheroidal multipole expansion | Richard Lovell Holford | 1997-02-18 |
| 5604893 | 3-D acoustic infinite element based on an oblate spheroidal multipole expansion | Richard Lovell Holford | 1997-02-18 |