Patent application 13774143 (US), filed 2013-02-22
Publication number: US20130215719A1
Title: 360 Degree Imaging Sonar and Method
CPC codes: G01S  15/89
G01S  15/8902
G01S   7/521
G01S   7/6236
G01S   7/6272
G01S  15/96
Office action: rejection, dated 2015-10-16
Rejection reasons: obviousness_103
Final disposition: granted (2015-10-16)