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Inventor
WATSON FRED L
US
3 patents
⚠️ This page may combine multiple inventors who share the name “WATSON FRED L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLIED TECH ASS
2 patents
US4593559A
Jun 10, 1986
Apparatus and method to communicate bidirectional information in a borehole
APPLIED TECH ASS
37 citations
90
US4459760A
Jul 17, 1984
Apparatus and method to communicate information in a borehole
APPLIED TECH ASS
16 citations
71
APPLIED NAVIGATION DEVICES
1 patent
US4909336A
Mar 20, 1990
Drill steering in high magnetic interference areas
APPLIED NAVIGATION DEVICES
121 citations
91