Patents by Inventor Walter R. Obuchowski

Walter R. Obuchowski 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).

  • Metering bottle
    Patent number: D288662
    Type: Grant
    Filed: September 28, 1984
    Date of Patent: March 10, 1987
    Assignee: Charter Supply Company, Inc.
    Inventor: Walter R. Obuchowski