Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467543 | System and process for secondary hydrocarbon recovery | Manik Talwani, Walter K. Feldman | 2002-10-22 |
| 6212952 | System and process for optimizing gravity gradiometer measurements | Walter K. Feldman, William F Konig, Daniel J. DiFrancesco, David L. Sieracki, Carlo P. San Giovanni | 2001-04-10 |
| 6152226 | System and process for secondary hydrocarbon recovery | Manik Talwani, Walter K. Feldman | 2000-11-28 |
| 6125698 | System and process for optimizing gravity gradiometer measurements | Walter K. Feldman, William F Konig, Daniel J. DiFrancesco, David L. Sieracki, Carlo P. San Giovanni | 2000-10-03 |