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US 2,749,003 A
Filed
: 06/02/1951
Issued
: 06/05/1956
Est. Priority Date
: 06/02/1951
Status: Expired due to Term
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Current Assignee
Willy E. Zimmermann
Original Assignee
Willy E. Zimmermann
Inventors
Zimmermann, Willy E.
Application Number
US03/229,596
Time in Patent Office
1,830 Days
Field of Search
US Class Current
53/130.1
CPC Class Codes
B67B 3/14
characterised by having mov...
B67B 3/28
Mechanisms for causing rela...
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