Patents by Inventor Harry L. Strawser

Harry L. Strawser 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).

  • Fully pumpable drum bottom
    Patent number: 5346094
    Abstract: An improved drum bottom for facilitating the emptying of drum containers. This invention allows for increased removal of drum contents. This drum bottom employs a sloped channel for drainage of the contents of the drum into a well for removal by a pump.
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: September 13, 1994
    Assignee: Astro Containers, Inc.
    Inventor: Harry L. Strawser
  • End for a container
    Patent number: D356498
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: March 21, 1995
    Assignee: Astro Containers, Inc.
    Inventor: Harry L. Strawser