USD548247SExpiredUtility
Portable video and audio transmission device
Est. expiryFeb 13, 2026(expired)· nominal 20-yr term from priority
Inventors:Jean Chin Chu Lee
65
PatentIndex Score
17
Cited by
11
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a portable video and audio transmission device, as shown and described.Join the waitlist — get patent alerts
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