Inventor

HENRY TRICIA EHLERS

US7 patents

⚠️ This page may combine multiple inventors who share the name “HENRY TRICIA EHLERS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AMERITECH CORP

3 patents

US6539079B1Mar 25, 2003

Method and system for providing enhanced call waiting

AMERITECH CORP9 citations71

US6453018B2Sep 17, 2002

System and method for accessing a messaging service using a short dialing sequence

AMERITECH CORP10 citations69

US7095826B2Aug 22, 2006

Method and system for providing enhanced call waiting

AMERITECH CORP4 citations60

SBC PROPERTIES LP

1 patent

US6718018B2Apr 6, 2004

System and method for accessing a messaging service using a short dialing sequence

SBC PROPERTIES LP9 citations71

AT & T INTELLECTUAL PROPERTY 1

1 patent

US7567655B2Jul 28, 2009

System and method for accessing a messaging service using a short dialing sequence

AT & T INTELLECTUAL PROPERTY 11 citations60

AT & T IP I LP

1 patent

US7903805B2Mar 8, 2011

Method and system for providing enhanced call waiting

AT & T IP I LP0 citations49

HENRY TRICIA EHLERS

1 patent

US8144843B2Mar 27, 2012

System and method for accessing a messaging service using a short dialing sequence

HENRY TRICIA EHLERS0 citations43