Patent application 14469712 (US), filed 2014-08-27
Publication number: US20150071483A1
Title: ENERGY CONVERTER, SPEAKER, AND METHOD OF MANUFACTURING ENERGY CONVERTER
CPC codes: H04R   9/02
Y10T  29/49005
H04R   7/00
H04R   9/00
H04R   9/04
H04R  31/00
Office action: rejection, dated 2015-10-19
Rejection reasons: obviousness_103
double_patenting
Prior art cited: ref_id: 7174024
ref_type: patent
severity: obviousness
ref_id: 20090316937
ref_type: patent
severity: obviousness
ref_id: 6535612
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-19)