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Patent
   D262288
Priority
Jul 18 1979
Filed
Jul 18 1979
Issued
Dec 15 1981
Expiry
Dec 15 1995
Inventors
Sistek, Ro…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
2
References
3
Maint.:
n/a
The ornamental design for a channel expander, as shown.

FIG. 1 is a front plan view of a channel expander showing our new design.

FIG. 2 is a left side plan view thereof.

FIG. 3 is a top plan view thereof.
INVENTORS:

Sistek, Robert C., Kuhn, Richard J., Agnew, Thomas I.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D273470, May 28 1981 Whelen Engineering Company, Inc Housing for a control for an electronic siren
D276431, Jan 05 1983 AT&T Bell Laboratories Housing for a desk telephone stand
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
105513,
237281,
95426,
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