Patents by Inventor Yaroslaw S. Chelak

Yaroslaw S. Chelak 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).

  • Method of forming foam cushions for packaging purposes and cushions formed thereby
    Patent number: 5139151
    Abstract: The invention is a method of forming large-volume foam cushions for packaging purposes wherein each cushion comprises a closed bag formed from respective first and second superposed sheets of plastic material and filled with foam.
    Type: Grant
    Filed: April 5, 1991
    Date of Patent: August 18, 1992
    Assignee: Sealed Air Corporation
    Inventor: Yaroslaw S. Chelak
  • Method of forming foam cushions for packaging purposes
    Patent number: 5027583
    Abstract: The invention is a method of forming large-volume foam cushions for packaging purposes wherein each cushion comprises a closed bag formed from respective first and second superposed sheets of plastic material and filled with foam.
    Type: Grant
    Filed: July 11, 1989
    Date of Patent: July 2, 1991
    Assignee: Sealed Air Corporation
    Inventor: Yaroslaw S. Chelak