Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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03/12/2024
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Application #:
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17206464
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Filing Dt:
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03/19/2021
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Publication #:
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Pub Dt:
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12/08/2022
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Inventor:
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Robert J. Mattila
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Title:
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TWO-WAY PROTECTIVE RESPIRATOR SYSTEM WITH POSITIVE AIR FLOW AGAINST AIRBORNE CONTAMINANT PARTICLES AND VAPOR COMPONENTS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 303 N. 17TH AVENUE EAST |
| ELY, MINNESOTA 55731 |
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| DAVID L. BIEK |
| 901 MARQUETTE AVENUE |
| 2100 AT&T TOWER |
| MINNEAPOLIS, MN 55402 |
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