Patents by Inventor Jack Merwin

Jack Merwin 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).

  • Filter holder
    Patent number: D343339
    Type: Grant
    Filed: April 15, 1992
    Date of Patent: January 18, 1994
    Assignee: Tudor Development Corp.
    Inventor: Jack Merwin
  • Filter holder
    Patent number: D349427
    Type: Grant
    Filed: October 25, 1993
    Date of Patent: August 9, 1994
    Assignee: Tudor Development Corporation
    Inventor: Jack Merwin