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DIGITAL COUNTING EQUIPMENTS
US 3,420,988 A
Filed
: 05/17/1965
Issued
: 01/07/1969
Est. Priority Date
: 05/25/1964
Status: Expired due to Term
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Current Assignee
Hunt Robert William
,
Jones Eric Lindsay
,
Peter Bonner
Original Assignee
Hunt Robert William
,
Jones Eric Lindsay
,
Peter Bonner
Inventors
HUNT ROBERT WILLIAM
,
JONES ERIC LINDSAY
,
Bonner, Peter
Application Number
US04/456,248
Time in Patent Office
1,331 Days
Field of Search
US Class Current
377/51
CPC Class Codes
G01R 23/10
by converting frequency int...
H03K 21/00
Details of pulse counters o...
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