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HAND HELD INSTRUMENT HAVING A PAIR OF INDICATOR LAMPS FOR INDICATING VOLTAGE LEVELS IN ELECTRICAL CIRCUITS
US 3,525,939 A
Filed
: 08/01/1968
Issued
: 08/25/1970
Est. Priority Date
: 08/01/1968
Status: Expired due to Term
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Current Assignee
Robert L. Cartmell
Original Assignee
Robert L. Cartmell
Inventors
Cartmell, Robert L.
Application Number
US04/749,503
Time in Patent Office
754 Days
Field of Search
US Class Current
324/133
CPC Class Codes
G01R 19/16557
Logic probes, i.e. circuits...
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