Conferencing telephone unit
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Description
FIG. 1 is a perspective view of the conferencing telephone unit;
FIG. 2 is a top plan view of the unit illustrated in FIG. 1;
FIG. 3 is a bottom plan view of the unit illustrated in FIG. 1; and
FIG. 4 is a side view of the unit illustrated in FIG. 1.
Referenced Cited
Patent History
Patent number: D259786
Type: Grant
Filed: Oct 3, 1978
Date of Patent: Jul 7, 1981
Assignee: Northern Telecom Limited (Montreal)
Inventors: Fred D. Leeson (London), Henry A. Main (London), Clifford D. Read (Almonte)
Primary Examiner: Bernard Ansher
Attorney: Sidney T. Jelly
Application Number: 5/948,205
Type: Grant
Filed: Oct 3, 1978
Date of Patent: Jul 7, 1981
Assignee: Northern Telecom Limited (Montreal)
Inventors: Fred D. Leeson (London), Henry A. Main (London), Clifford D. Read (Almonte)
Primary Examiner: Bernard Ansher
Attorney: Sidney T. Jelly
Application Number: 5/948,205
Classifications
Current U.S. Class:
D14/57;
D14/33;
D/6148
International Classification: D1403; D0603;
International Classification: D1403; D0603;