Patents by Inventor Holgar Kroll

Holgar Kroll 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).

  • Carrying handle
    Patent number: 4621855
    Abstract: A carrying handle for carrier bags comprises a plastic rod or bar bent in its central area to form an open ring whose central axis is parallel to the two ends of the plastic rod which has a common longitudinal axis and which is open in the transition area to the two bar ends.
    Type: Grant
    Filed: January 9, 1985
    Date of Patent: November 11, 1986
    Inventor: Holgar Kroll