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US 2,989,141 A
Filed
: 11/24/1959
Issued
: 06/20/1961
Est. Priority Date
: 11/24/1959
Status: Expired due to Term
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22 Citations
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Current Assignee
Paul N. Howard
Original Assignee
Paul N. Howard
Inventors
Howard, Paul N.
Application Number
US03/855,203
Time in Patent Office
574 Days
Field of Search
US Class Current
182/216
CPC Class Codes
E06C 7/086
with a connecting piece ins...
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