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The ornamental design for an air filtration device, as shown.
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FIG. 1 is an overall perspective view of an air filtration device;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line showing is included for the purpose of illustrating and forms no part of the claimed design.
Jackovitch, Anthony A., Jackovitch, Deborah
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Aug 31 2018 | JACKOVITCH, ANTHONY A | ORTHOTIC & PROSTHETIC COMPONENTS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 046919 | /0298 | |
Aug 31 2018 | JACKOVITCH, DEBORAH | ORTHOTIC & PROSTHETIC COMPONENTS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 046919 | /0298 | |
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