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US 2,677,459 A
Filed
: 07/30/1951
Issued
: 05/04/1954
Est. Priority Date
: 07/30/1951
Status: Expired due to Term
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Current Assignee
Hyman Ritzenberg
Original Assignee
Hyman Ritzenberg
Inventors
HYMAN RITZENBERG
Application Number
US03/239,331
Time in Patent Office
1,009 Days
Field of Search
US Class Current
206/222
CPC Class Codes
B44D 3/122
having separate compartment...
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