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The ornamental design for a hearing protection device, as shown and described. |
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FIG. 1 is a front elevational view of a hearing protection device showing our new design, the undisclosed rear being a mirror image;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a right side elevational view thereof, the undisclosed left side being a mirror image;
FIG. 5 is a partial view of the top portion of the article, taken from the direction of line 5--5 of FIG. 1;
FIG. 6 is a front elevational view of a second embodiment thereof, the undisclosed rear being a mirror image;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a right side elevational view thereof, the undisclosed left side being a mirror image;
FIG. 10 is a partial view of the top portion of the article, taken from the direction of line 10--10 of FIG. 6;
FIG. 11 is a front elevational view of a third embodiment thereof, the undisclosed rear being a mirror image;
FIG. 12 is a top plan view thereof;
FIG. 13 is a bottom plan view thereof;
FIG. 14 is a right side elevational view thereof, the undisclosed left side being a mirror image;
FIG. 15 is a partial view of the top portion of the article, taken from the direction of line 15--15 of FIG. 11;
FIG. 16 is a front elevational view of a fourth embodiment thereof, the undisclosed rear being a mirror image;
FIG. 17 is a top plan view thereof;
FIG. 18 is a bottom plan view thereof;
FIG. 19 is a right side elevational view thereof, the undisclosed left side being a mirror image; and,
FIG. 20 is a partial view of the top portion of the article, taken from the direction of line 20--20 of FIG. 16.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 28 1998 | Cabot Safety Intermediate Corporation | (assignment on the face of the patent) | / | |||
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| Jun 01 2007 | BANK OF AMERICA, N A , AS FIRST LIEN COLLATERAL AGENT | Cabot Safety Intermediate Corporation | RELEASE OF FIRST LIEN SECURITY INTEREST AT REEL FRAME NO 17435 0721 | 019511 | /0914 | |
| 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 | |
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| 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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