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Medical oxygen concentrator

80
Assignee: NGK SPARK PLUG COPriority: May 15, 2018Filed: May 15, 2018Granted: Oct 1, 2019
Est. expiryMay 15, 2038(~11.8 yrs left)· nominal 20-yr term from priority
Inventors:Taku HiranoMasanori SudaKeiko NiiKeisuke Hatta
80
PatentIndex Score
24
Cited by
15
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a medical oxygen concentrator, as shown and described.

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