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Patent 05257420 - Earmuffs for use with headphones > Summary

US Patent

Patent No. US 05257420

Published on Nov 2, 1993

Application No. 7/923052

Filed on Jul 31, 1992

Priority Date -

Inventor/Applicants

Byrne, Jr., Richard J. - Brooklyn, NY

Classification

National:2

220/9

242/3;

Field of Search 6

2/208

2/209;

2/209.1;

2/422;

2/423;

2/DIG.11;

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