Measuring – testing – or signalling instruments – Security or signal instrument or casing – Lost child or person locator
Design Patent
2000-08-09
2001-10-30
Jackson, Marcus A. (Department: 2911)
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Lost child or person locator
Design Patent
active
D0449789
CLAIM:
The ornamental design for a signal input and output unit, as shown and described.
REFERENCES:
patent: D. 418074 (1999-12-01), Hicks et al.
patent: D. 424461 (2000-05-01), Jaylor
patent: D. 431485 (2000-10-01), Huang
patent: D. 433643 (2000-11-01), Quick
Gunji Ken
Irokawa Kenji
Katsumata Koichi
Motegi Emi
Frishauf, Holtz Goodman, Langer & Chick, P.C.
Jackson Marcus A.
SMC Kabushiki Kaisha
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