Patents by Inventor Albert J. Andrews

Albert J. Andrews 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).

  • Patent number: 4646931
    Abstract: A drum lid for an open head drum in which the drum lid is clamped to the drum by a closing ring for sealing the drum. A section of the lip of the lid is reinforced. The section is reinforced by rigidly securing a reinforcing member to the exterior of the lid. The reinforcing member may be a metal lug.
    Type: Grant
    Filed: September 20, 1985
    Date of Patent: March 3, 1987
    Inventors: Joseph J. Andrews, Albert J. Andrews