P

Inventor

LAITMAN ROBERT JOHN

US7 patents
⚠️ This page may combine multiple inventors who share the name “LAITMAN ROBERT JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AMERITECH CORP

3 patents
US5995605ANov 30, 1999

Method and network for providing access to an information network

AMERITECH CORP20 citations90
US6643356B1Nov 4, 2003

Method of sharing and transferring information between ISDN telephones

AMERITECH CORP29 citations89
US5995595ANov 30, 1999

Method of sharing and transferring information between ISDN telephones

AMERITECH CORP18 citations89

SBC KNOWLEDGE VENTURES LP

1 patent
US6947540B2Sep 20, 2005

Method and network for providing access to an information network

SBC KNOWLEDGE VENTURES LP18 citations90

SBC PROPERTIES LP

1 patent
US6879666B2Apr 12, 2005

Method of sharing and transferring information between ISDN telephones

SBC PROPERTIES LP5 citations70

SBC TECHN RES INC

1 patent
US6606378B1Aug 12, 2003

Method and network for providing access to an information network

SBC TECHN RES INC3 citations60

AT & T IP I LP

1 patent
US7519171B2Apr 14, 2009

Method of sharing and transferring information between ISDN telephones

AT & T IP I LP2 citations59