USD337120SExpiredUtility

Video production switcher

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Assignee: AMPEX SYSTEMS CORPPriority: Dec 19, 1991Filed: Dec 19, 1991Granted: Jul 6, 1993
Est. expiryDec 19, 2011(expired)· nominal 20-yr term from priority
Inventors:Darrell S. Staley
45
PatentIndex Score
5
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a video production switcher, as shown and described.

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