Patents by Inventor Gregory Arthur Rozak

Gregory Arthur Rozak 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).

  • Septic tank for holding sewerage
    Patent number: D422675
    Type: Grant
    Filed: March 15, 1999
    Date of Patent: April 11, 2000
    Assignee: Gregory Arthur Rozak
    Inventor: Gregory Arthur Rozak