Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7443167 | Interleaved magnetometry and pulsed electromagnetic detection of underground objects | Alan L. Crandall, Gilbert Johnson | 2008-10-28 |
| 5629626 | Apparatus and method for measuring buried ferromagnetic objects with a high accuracy of position and in synchronization with a sync pulse provided by a global positioning system | Richard J. Russell, Alan L. Crandall, John E. Foley, Thomas Alexander Glenn, III, Thomas J. Gorman | 1997-05-13 |