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Respirator mask face seal

43
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Jan 30, 2015Filed: Jan 30, 2015Granted: Jun 28, 2016
Est. expiryJan 30, 2035(~8.5 yrs left)· nominal 20-yr term from priority
Inventors:Garry J. WalkerPeter Masters
43
PatentIndex Score
4
Cited by
31
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a respirator mask face seal, as shown and described.

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