USD473544SExpiredUtility
Mixer board
Est. expiryApr 8, 2022(expired)· nominal 20-yr term from priority
Inventors:Mark Harman Powell
43
PatentIndex Score
4
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a mixer board, as shown and described.
Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.