Systems for detecting, locating, and identifying ferrous and non-ferrous metals in saltwater environments comprising electronic devices for detecting and locating articles using electromagnetic waves and global positioning systems; systems for mapping locations of ferrous and non-ferrous metals in saltwater environments comprising electronic devices for detecting and locating articles using electromagnetic waves and global positioning systems; metal detecting devices in the nature of metal detectors; metal detecting systems comprising metal detectors; metal detecting devices for industrial or military purposes in the nature of metal detectors; metal detecting systems for industrial or military purposes comprising metal detectors
Electrical and Scientific Apparatus