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US 2,808,899 A
Filed
: 09/23/1955
Issued
: 10/08/1957
Est. Priority Date
: 09/25/1954
Status: Expired due to Term
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Current Assignee
Hermann Hofstetter
Original Assignee
Hermann Hofstetter
Inventors
HERMANN HOFSTETTER
Application Number
US03/536,188
Time in Patent Office
746 Days
Field of Search
US Class Current
55/354
CPC Class Codes
B01D 46/18
Particle separators, e.g. d...
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