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Powder dispensing device
US 3,132,769 A
Filed
: 03/14/1962
Issued
: 05/12/1964
Est. Priority Date
: 03/14/1962
Status: Expired due to Term
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11 Citations
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Current Assignee
Edgar L. Zehrbach
Original Assignee
Edgar L. Zehrbach
Inventors
Zehrbach, Edgar L.
Application Number
US04/179,814
Time in Patent Office
790 Days
Field of Search
US Class Current
222/651
CPC Class Codes
D06F 43/085
Filtering arrangements; Fil...
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