USD324479SExpiredUtility

Control knob

82
Assignee: KIPP HEINRICH WERKPriority: Dec 22, 1988Filed: Jun 19, 1989Granted: Mar 10, 1992
Est. expiryDec 22, 2008(expired)· nominal 20-yr term from priority
Inventors:Bernhard Tinz
82
PatentIndex Score
20
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a control knob, as shown and described.

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