Patents by Inventor Marc E. Cetrulo

Marc E. Cetrulo 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).

  • Split corner slip-on pipe fitting
    Patent number: D361847
    Type: Grant
    Filed: March 21, 1994
    Date of Patent: August 29, 1995
    Assignee: The Hollaender Manufacturing Co.
    Inventor: Marc E. Cetrulo
  • Split tee slip-on pipe fitting
    Patent number: D362916
    Type: Grant
    Filed: March 21, 1994
    Date of Patent: October 3, 1995
    Assignee: The Hollaender Manufacturing Co.
    Inventor: Marc E. Cetrulo
  • Split corner ell slip-on pipe fitting
    Patent number: D365403
    Type: Grant
    Filed: March 21, 1994
    Date of Patent: December 19, 1995
    Assignee: The Hollaender Manufacturing Co.
    Inventor: Marc E. Cetrulo