Patents by Inventor Alfred Ebach

Alfred Ebach 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).

  • Attachment for musical wind operated instruments
    Patent number: 4226162
    Abstract: A device which consists of a hollow cylindrical member attachable to the end of a musical wind operated instrument. A stethoscope is located inside the hollow body and serves to pick up sounds issuing from the end of the muscial instrument. The hollow member is filled with dissimilar open cell polymeric foams between permeable felt discs.
    Type: Grant
    Filed: April 20, 1978
    Date of Patent: October 7, 1980
    Inventor: Alfred Ebach