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Pneumatic conveyor systems
US 2,710,728 A
Filed
: 06/29/1950
Issued
: 06/14/1955
Est. Priority Date
: 06/29/1950
Status: Expired due to Term
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Current Assignee
Wolfgang Halpern Johannes
Original Assignee
Wolfgang Halpern Johannes
Inventors
WOLFGANG HALPERN JOHANNES
Application Number
US03/177,351
Time in Patent Office
1,811 Days
Field of Search
US Class Current
406/3
CPC Class Codes
B65G 51/04
Conveying the articles in c...
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