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US 2,855,778 A
Filed
: 07/26/1954
Issued
: 10/14/1958
Est. Priority Date
: 07/26/1954
Status: Expired due to Term
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Current Assignee
Krevelen Edward R Van
Original Assignee
Krevelen Edward R Van
Inventors
KREVELEN EDWARD R VAN
Application Number
US03/445,698
Time in Patent Office
1,541 Days
Field of Search
US Class Current
73/862.541
CPC Class Codes
G01L 1/005
by electrical means and not...
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