USD308347SExpiredUtility

Ultrasonic object detection device

62
Assignee: E L BRYENTON & ASS INCPriority: Dec 22, 1986Filed: Dec 22, 1986Granted: Jun 5, 1990
Est. expiryDec 22, 2006(expired)· nominal 20-yr term from priority
Inventors:Earl L. BryentonEric R. HillmerRobert J. Arnott
62
PatentIndex Score
13
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an ultrasonic object detection device, as shown.

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