USD495682SExpiredUtility

Compact wireless intercom

31
Assignee: 3M INNOVATIVE PROPERTIES COPriority: May 16, 2003Filed: May 16, 2003Granted: Sep 7, 2004
Est. expiryMay 16, 2023(expired)· nominal 20-yr term from priority
Inventors:Anthony G. GubbelsPaul F. Gergen
31
PatentIndex Score
2
Cited by
11
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a compact wireless intercom, as shown and described.

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