-
-
-
Conversational video phone
-
Patent number 4,985,911
-
Issue date Jan 15, 1991
-
Mitsubishi Electronics America, Inc.
-
Lawrence D. Emmons
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
-
Conversational video phone
-
Patent number 4,932,047
-
Issue date Jun 5, 1990
-
Luma Telecom, Inc.
-
Lawrence D. Emmons
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
-
-
-
Conversational video phone
-
Patent number 4,715,059
-
Issue date Dec 22, 1987
-
Luma Telecom, Inc.
-
Michael A. Cooper-Hart
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE