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Acoustical Design Incorporated Patents |
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Assignee: Acoustical Design Incorporated
Address: Mendham, NJ
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| D263956 |
Acoustical enclosure for teleprinters or the like |
April 20, 1982 |
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| 4185167 |
Sound masking package |
January 22, 1980 |
| A self-contained sound masking package including a housing having an interior forming a loudspeaker enclosure in the bottom of which is disposed an electric circuit arranged to be connected to an associated source of electrical power for producing a voltage having a predetermined fre |
| 4024535 |
Sound generating system for a sound masking package |
May 17, 1977 |
| A self-contained sound masking package including a housing having an interior forming a loudspeaker enclosure in the bottom of which is disposed an electric circuit arranged to be connected to an associated source of electrical power for producing a voltage having a predetermined fre | |
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