| 4935905 |
Method and apparatus for seismic exploration |
— |
1990-06-19 |
| 4528649 |
Exploration system for discovering deposits of ore, marker rock and/or economic minerals |
Henry J. Richgels, James I. Foster |
1985-07-09 |
| 4397005 |
Exploration system for enhancing the likelihood of the discovery of deposits of ore, marker rock and/or economic minerals |
Henry J. Richgels, James I. Foster |
1983-08-02 |
| 4393488 |
Exploration system and method of determining elastic parameters and subsurface shape of an earth formation so as to indicate likelihood of the formation being an ore, marker rock, economic mineral or the like |
Henry J. Richgels, James I. Foster |
1983-07-12 |
| 4373197 |
Exploration system for enhancing the likelihood of predicting lithology of earth formations associated with deposits of ore, marker rock and/or economic minerals |
William R. Scott, Richard J. Runge |
1983-02-08 |
