Whitening tray for teeth
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Description
Claims
The ornamental design for a whitening tray for teeth, as shown and described.
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Patent History
Patent number: D995789
Type: Grant
Filed: Dec 2, 2021
Date of Patent: Aug 15, 2023
Assignee: Akervall Technologies, Inc. (Saline, MI)
Inventors: Jan Anders Akervall (Ann Arbor, MI), Johann Walter Schwank (Ann Arbor, MI), Timothy Huang (Ann Arbor, MI)
Primary Examiner: Wan Laymon
Application Number: 29/790,536
Type: Grant
Filed: Dec 2, 2021
Date of Patent: Aug 15, 2023
Assignee: Akervall Technologies, Inc. (Saline, MI)
Inventors: Jan Anders Akervall (Ann Arbor, MI), Johann Walter Schwank (Ann Arbor, MI), Timothy Huang (Ann Arbor, MI)
Primary Examiner: Wan Laymon
Application Number: 29/790,536
Classifications