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Patent
D282149
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Priority
Apr 08 1983
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Filed
Apr 08 1983
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Issued
Jan 14 1986
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Expiry
Jan 14 2000
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Assg.orig
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Entity
unknown
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1
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6
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n/a
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The ornamental design for an audio dosimeter for detecting noise level, substantially as shown and described.
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FIG. 1 is a perspective view of an audio dosimeter for detecting noise
level showing my new design;
FIG. 2 is a elevational view of one side, thereof, the other side being a
mirror image; and
FIG. 3 is a rear elevational view thereof.
White, David A.
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 04 1983 | WHITE, DAVID A | E I DU PONT DE NEMOURS AND COMPANY | ASSIGNMENT OF ASSIGNORS INTEREST | 004138 | /0767 |
pdf |
| Apr 08 1983 | | E. I. du Pont de Nemours and Company | (assignment on the face of the patent) | | / |
| Jun 18 1990 | E I DU PONT DE NEMOURS AND COMPANY, A CORP OF DE | AMETEK, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005381 | /0243 |
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| Jun 18 1990 | AMETEK, INC , A CORP OF DE | EMA CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 005381 | /0248 |
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| Mar 21 1994 | EMA CORPORATION | CHASE MANHATTAN BANK, N A , THE | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 007091 | /0269 |
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| Feb 05 1997 | AMETEK AEROSPACE PRODUCTS, INC | AMETEK, INC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 009289 | /0151 |
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| Feb 05 1997 | AMETEK, INC | AMETEK AEROSPACE PRODUCTS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008766 | /0028 |
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