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Pipe inspection device
US 3,060,377 A
Filed
: 12/08/1958
Issued
: 10/23/1962
Est. Priority Date
: 12/08/1958
Status: Expired due to Term
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Current Assignee
Thomas R. Schmidt
Original Assignee
Thomas R. Schmidt
Inventors
Schmidt, Thomas R.
Application Number
US03/778,801
Time in Patent Office
1,415 Days
Field of Search
US Class Current
324/220
CPC Class Codes
E21B 47/085
using radiant means, e.g. a...
G01N 27/902
by moving the sensors
G01N 27/904
with two or more sensors
G01N 27/9093
Arrangements for supporting...
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