Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6230046 | System and method for enhanced visualization of subcutaneous structures | Robert L. Crane, Charles C. Lovett, Walter E. Johnson | 2001-05-08 |
| 4284306 | Apparatus and method of mining subterranean rubble piles | Selby W. Porter | 1981-08-18 |
| 4264104 | Rubble mining | Edward P. Helvenston, Elmar L. Goldsmith | 1981-04-28 |