USD485774SExpiredUtility

Photoelectric sensor

88
Assignee: HWANG SHIH-MINGPriority: Apr 22, 2003Filed: Apr 22, 2003Granted: Jan 27, 2004
Est. expiryApr 22, 2023(expired)· nominal 20-yr term from priority
Inventors:Shih-Ming HwangShiau-Der LinChien-Jong HwangLiang Hwang
88
PatentIndex Score
42
Cited by
11
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a photoelectric sensor, as shown.

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