Patents by Inventor Irwin Selinger

Irwin Selinger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Stethoscope with disposable chestpiece
    Patent number: 5747752
    Abstract: A removable and disposable chestpiece for a stethoscope. The chestpiece comprises a unitary disk-like chamber have opposed walls connected by a peripheral wall. One of the opposed walls is provided with a central opening. The head of the stethoscope is provided with an extending skirt which fits into the hole of the chestpiece.
    Type: Grant
    Filed: January 30, 1997
    Date of Patent: May 5, 1998
    Assignee: Graham-Field, Inc.
    Inventor: Irwin Selinger
  • Stethoscope
    Patent number: 5514840
    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.
    Type: Grant
    Filed: December 1, 1994
    Date of Patent: May 7, 1996
    Assignee: Graham-Field, Inc.
    Inventor: Irwin Selinger