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US 2,743,566 A
Filed
: 07/14/1950
Issued
: 05/01/1956
Est. Priority Date
: 07/14/1950
Status: Expired due to Term
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Current Assignee
Douglas Priestley Kenneth
Original Assignee
Douglas Priestley Kenneth
Inventors
DOUGLAS PRIESTLEY KENNETH
Application Number
US03/176,561
Time in Patent Office
2,118 Days
Field of Search
US Class Current
172/571
CPC Class Codes
A01B 21/083
of the type comprising four...
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