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US 3,049,307 A
Filed
: 10/22/1959
Issued
: 08/14/1962
Est. Priority Date
: 10/22/1959
Status: Expired due to Term
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12 Citations
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Current Assignee
David R. Dalzell Jr
Original Assignee
David R. Dalzell Jr
Inventors
Dalzell, David R. Jr.
Application Number
US03/848,147
Time in Patent Office
1,027 Days
Field of Search
US Class Current
241/261.3
CPC Class Codes
D21D 1/30
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