Membership
Tour
Register
Log in
Blaine E. Welman
Follow
Person
Wheaton, IL, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for interfacing analog telephones and digital data termin...
Patent number
5,305,312
Issue date
Apr 19, 1994
AT&T Bell Laboratories
Martin J. Fornek
H04 - ELECTRIC COMMUNICATION TECHNIQUE