Inventor

ALKABRA AHMAD O

US3 patents

Patents

3 patents

US9615201B2Apr 4, 2017

Closed communication system

T MOBILE USA INC7 citations80

US9602991B1Mar 21, 2017

User notification of cellular service impairment

T MOBILE USA INC4 citations70

US9974047B2May 15, 2018

User notification of cellular service impairment

T MOBILE USA INC0 citations49