USD441357SExpiredUtility
Key matrix for a telephone handset
Est. expiryJan 20, 2020(expired)· nominal 20-yr term from priority
Inventors:Petteri Kolinen
93
PatentIndex Score
52
Cited by
19
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a key matrix for a telephone handset, as shown and described.
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