Patents by Inventor Michael Ambroszewski

Michael Ambroszewski 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).

  • Removable drumstick mallet head
    Patent number: 4632006
    Abstract: A removable drumstick mallet head comprises (1) a hollow rubber core the bore of which is sized to fit over the end of a drumstick, and (2) a cover, preferably of felt, drawn down tightly over the core.
    Type: Grant
    Filed: March 15, 1985
    Date of Patent: December 30, 1986
    Inventor: Michael Ambroszewski