Title:
TELEPHONE CHARGE STATUS METER
Document Type and Number:
WIPO Patent Application WO1997025805
Kind Code:
A3
Inventors:
MEIER JOERG (DE)
Application Number:
PCT/DE1997/000014
Publication Date:
October 02, 1997
Filing Date:
January 08, 1997
Export Citation:
Assignee:
MEIER JOERG (DE)
International Classes:
H04M15/30; (IPC1-7): H04M/
Foreign References:
| EP0115924A1 | 1984-08-15 | |||
| US4585904A | 1986-04-29 | |||
| EP0601575A1 | 1994-06-15 | |||
| DE2650020A1 | 1978-05-03 |
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