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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Peterson; Frank A.
Address:
Huntsville, AL
No. of patents:
1
Patents:




Patent Number Title Of Patent Date Issued
3974330 Miniature underwater bore hole inspection apparatus August 10, 1976
A miniature submergible inspection device is provided for the visual inspection and survey of the strata of dry or water-filled bore holes providing data for video display or recording at the earth's surface and controllable therefrom. Adapted for reversing azimuth scan of the bore h


 
 
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