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Telephone switch box
Est. expiryApr 24, 2027(~0.8 yrs left)· nominal 20-yr term from priority
Inventors:Jörg Brennwald
79
PatentIndex Score
25
Cited by
8
References
1
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Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a telephone switch box, as shown and described.Cited by (0)
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