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Nematodic swab
US 2,969,057 A
Filed
: 11/04/1957
Issued
: 01/24/1961
Est. Priority Date
: 11/04/1957
Status: Expired due to Term
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Current Assignee
Vaughan P. Simmons
Original Assignee
Vaughan P. Simmons
Inventors
Simmons, Vaughan P.
Application Number
US03/694,450
Time in Patent Office
1,177 Days
Field of Search
US Class Current
600/572
CPC Class Codes
G01N 1/02
Devices for withdrawing sam...
G01N 2001/028
Sampling from a surface, sw...
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