Patents by Inventor Gregory N. Castillo

Gregory N. Castillo 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: 6076559
    Abstract: The present invention provides a disposable protective cover which securely yet releasably attaches to a conventional plumbing fixture via locking tabs, thereby reserving an annular space around the fixture and the underlying pipe during floor construction and allowing easy and rapid access to the fixture once the floor construction has been completed.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: June 20, 2000
    Assignee: Gregory N. Castillo
    Inventors: Gregory N. Castillo, Bradley E. Castillo
  • Patent number: 5921282
    Abstract: The present invention provides a disposable protective cover which securely yet releasably attaches to a conventional plumbing fixture via locking tabs, thereby reserving an annular space around the fixture and the underlying pipe during floor construction and allowing easy and rapid access to the fixture once the floor construction has been completed.
    Type: Grant
    Filed: April 16, 1997
    Date of Patent: July 13, 1999
    Assignee: TCI Products
    Inventors: Gregory N. Castillo, Bradley E. Castillo