Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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03/27/1990
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Application #:
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07385150
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Filing Dt:
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07/26/1989
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Inventors:
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ADRIANUS J. SPRENKELS, PIET BERGVELD
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Title:
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ELECTROACOUSTIC TRANSDUCER OF THE SO-CALLED "ELECTRET" TYPE, AND A METHOD OF MAKING SUCH A TRANSDUCER
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| ZEKERINGSTRAAT 9 |
| 1014 BM AMSTERDAM, NETHERLANDS |
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| BIRCH, STEWART, KOLASCH & BIRCH, LLP |
| ANDREW F. REISH |
| P.O. BOX 747 |
| FALLS CHURCH, VA 22040-0747 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| ZEKERINGSTRAAT 9 |
| AMSTERDAM, NETHERLANDS 1014 BM |
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| MICHAELSON & WALLACE |
| PETER L. MICHAELSON |
| PARKWAY 109 OFFICE CENTER |
| 328 NEWMAN SPRINGS ROAD, P.O. BOX 8489 |
| RED BANK, NJ 07701-8489 |
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