USD246589SExpiredUtility

Electronic flash unit

32
Assignee: ROLLEI WERKE FRANKE HEIDECKEPriority: Aug 13, 1973Filed: Jul 31, 1975Granted: Dec 6, 1977
Est. expiryAug 13, 1993(expired)· nominal 20-yr term from priority
Inventors:Wilfried G. HoltjeClaus Prochnow
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PatentIndex Score
1
Cited by
0
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electronic flash unit, substantially as shown and described.

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