USD409138SExpiredUtility

AC-DC converter

74
Assignee: MELCHER AGPriority: Feb 12, 1998Filed: Feb 12, 1998Granted: May 4, 1999
Est. expiryFeb 12, 2018(expired)· nominal 20-yr term from priority
Inventors:Peter Gammenthaler
74
PatentIndex Score
20
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for AC-DC converter, as shown and described.

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