Multi-vortex tornado air circulator
Description
Claims
The ornamental design for a multi-vortex tornado air circulator, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D896941
Type: Grant
Filed: Jan 11, 2018
Date of Patent: Sep 22, 2020
Assignee: SINGAPORE INNOVATIONS PTE LTD (Singapore)
Inventor: Mohan Dass Ettanoor Thuppale (Singapore)
Primary Examiner: David G Muller
Application Number: 29/633,058
Type: Grant
Filed: Jan 11, 2018
Date of Patent: Sep 22, 2020
Assignee: SINGAPORE INNOVATIONS PTE LTD (Singapore)
Inventor: Mohan Dass Ettanoor Thuppale (Singapore)
Primary Examiner: David G Muller
Application Number: 29/633,058
Classifications
Current U.S. Class:
Air Treatment (D23/355)