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Means for counting particles suspended in a fluid
US 2,656,508 A
Filed
: 08/27/1949
Issued
: 10/20/1953
Est. Priority Date
: 08/27/1949
Status: Expired due to Term
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Current Assignee
Wallace H. Coulter
Original Assignee
Wallace H. Coulter
Inventors
Coulter, Wallace H.
Application Number
US03/112,819
Time in Patent Office
1,515 Days
Field of Search
US Class Current
324/71.1
CPC Class Codes
G01N 15/12
by observing changes in res...
G01N 15/13
Details pertaining to apert...
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