An improved system for locating concealed underground objects using digital filtering
A Standard patent application filed on 18 June 1991 credited to Hoy, Leslie D
;
Salsman, Lloyd N
Details
Application number :
81048
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
An improved system for locating concealed underground objects using digital filtering