Seung Joon Oh

US Patent:

20080150367, Jun 26, 2008

Filed:

Dec 20, 2006

Appl. No.:

11/613335

Inventors:

Seung Hee Oh - Dix Hills NY, US
Jinoh Kim - Great Neck NY, US

International Classification:

H02J 7/02
H02J 7/00

US Classification:

307 80, 320112

Abstract:

An auxiliary battery pack for use with rechargeable battery powered portable electronic audio devices. The battery pack includes a housing, a portable direct current power source which is contained in the housing, and means for electrical interconnection of the portable direct current power source to the rechargeable battery of the audio device. The battery pack further includes a USB port for charging the auxiliary and rechargeable batteries of the battery pack and audio device. An audio jack connection is provided in the battery pack housing to permit audio output from the audio device when the battery pack is in use.

US Patent:

20140213330, Jul 31, 2014

Filed:

Jan 26, 2013

Appl. No.:

13/751081

Inventors:

Seung Woon Oh - Leesburg VA, US

International Classification:

H04B 1/38

US Classification:

4555756

Abstract:

The cell phone finger clutch allow user to hold their phone using the finger clutch, having cell phone resides on the palm of the user's hand without effort to gripping the phone. It eases the accessibility of the phone by user's finger. The finger clutch helps user to secure their phones.