Inventor
SHOEMAKER DONALD K
US4 patents
Patents
4 patentsUS5642050AJun 24, 1997
Plural frequency method and system for identifying metal objects in a background environment using a target model
WHITE S ELECTRONICS57 citations92
US5654638AAug 5, 1997
Plural Frequency method and system for identifying metal objects in a background environment
WHITE S ELECTRONICS53 citations89
US4862316AAug 29, 1989
Static charge dissipating housing for metal detector search loop assembly
WHITE S ELECTRONICS27 citations89
US4783630ANov 8, 1988
Metal detector with circuits for automatically screening out the effects of offset and mineralized ground
WHITE S ELECTRONICS17 citations70