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The ornamental design for a hearing protection device, as shown and described.
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FIG. 1 is perspective view of a hearing protection device showing our new design;
FIG. 2 is a front elevational view thereof, the opposite side being a mirror image;
FIG. 3 is a right side elevational view thereof, the opposite side being a mirror image;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 12 2006 | Cabot Safety Intermediate Corporation | (assignment on the face of the patent) | ||||
| Jun 01 2007 | Cabot Safety Intermediate Corporation | BANK OF AMERICA, N A , AS FIRST LIEN COLLATERAL AGENT | GRANT OF FIRST LIEN SECURITY INTEREST IN UNITED STATES PATENTS AND TRADEMARKS | 019520 | 0001 | |
| Jun 12 2007 | Cabot Safety Intermediate Corporation | BANK OF AMERICA, N A , AS SECOND LIEN COLLATERAL AGENT | GRANT OF SECOND LIEN SECURITY INTEREST IN UNITED STATES PATENTS AND TRADEMARKS | 019520 | 0065 | |
| Apr 01 2008 | BANK OF AMERICA, N A | Cabot Safety Intermediate Corporation | CORRECTION OF TYPOGRAPHICAL ERRORS OF PATENT NUMBERS LISTED IN COVER SHEET RECORDED AT REEL FRAME NO 020733 0440 | 020783 | 0537 | |
| Apr 01 2008 | BANK OF AMERICA, N A | Cabot Safety Intermediate Corporation | RELEASE OF FIRST LIEN SECURITY INTEREST FILED AT REEL FRAME NO 19520 0001 | 020828 | 0647 | |
| Apr 01 2008 | BANK OF AMERICA, N A | Cabot Safety Intermediate Corporation | RELEASE OF SECOND LIEN SECURITY INTEREST AT REEL FRAME NO 19520 0065 | 020733 | 0560 | |
| Sep 26 2008 | Cabot Safety Intermediate Corporation | Cabot Safety Intermediate LLC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 021976 | 0611 | |
| Dec 08 2008 | Cabot Safety Intermediate LLC | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 022043 | 0189 |
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