Extension ladder with cushions | Patent Number 09845640

US 09845640 B2
Application Number15593452
Publication NumberUS 20170335625 A1
Pendency7 months, 11 days
Filled DateMay 12, 2017
Priority DateMay 12, 2017
Publication DateNov 23, 2017
Expiration DateMay 11, 2037
Inventor/ApplicantsHan-Tsung Chen
ExaminesCHIN-SHUE, ALVIN CONSTANTINE
Art Unit3634
Technology Center3600
Assignments
Columbia Aluminum Products Llc
Current
Columbia Aluminum Products Llc
Original
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