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Benjamin Frothingham
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Merrimack, NH, US
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last 30 patents
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Patent Grant
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Patent number
D945599
Issue date
Mar 8, 2022
Grove Biomedical, LLC
Joseph Rosenberg
D24 - Medical and laboratory equipment
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Patent Grant
Respirator
Patent number
10,945,469
Issue date
Mar 16, 2021
Grove Biomedical LLC
Joseph Rosenberg
A41 - WEARING APPAREL