The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 1996
Filed:
Dec. 01, 1994
Applicant:
Inventor:
Irwin Selinger, Old Westbury, NY (US);
Assignee:
Graham-Field, Inc., Hauppauge, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
181131 ; 181137 ;
Abstract
A chesthead having a pair of acoustic chambers, each of which is provided with a diametrically arranged wall separating the acoustic chamber into two portions. The two portions in each chamber are connected selectively to a pair of sound tubes so that dual sounds from each chamber are fed to the user simultaneously.