Patents by Inventor Michael J. Vrcelj

Michael J. Vrcelj 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).

  • Heat recoverable closure device having crack propagation prevention means
    Patent number: 4401842
    Abstract: A heat-recoverable closure device including a tubular member having an opening defining a means for readily communicating with articles disposed within the tubular member after heat-recovery. The closure device includes compression means attached adjacent and generally normal to each portion of the tubular member having an opening. The compression means further includes structure for maintaining it in constant compression during heat-recovery for preventing crack propagation.
    Type: Grant
    Filed: July 20, 1981
    Date of Patent: August 30, 1983
    Assignee: Raychem Corporation
    Inventors: John S. Mattis, Eleazar F. Ramirez, Michael J. Vrcelj