Signal input/output device

Details Signal input/output device Signal input/output device

2001-11-01

2002-12-24

Lichtenstein, Lisa (Department: 2911)

Equipment for production, distribution, or transformation of ene

Distribution, modification or control

Design Patent

active

D0467543

CLAIM:
The ornamental design for a signal input/output device, as shown.

REFERENCES:
patent: D413323 (1999-08-01), Tashiro
patent: D433998 (2000-11-01), Ishitsuka et al.
patent: D448344 (2001-09-01), Ishitsuka et al.

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